mirror of
git://sourceware.org/git/newlib-cygwin.git
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* syscalls.cc (system): Strip signal considerations from here so that they are
not inherited by a child process. * spawn.cc (spawn_guts): Handle system() signal stuff here. * winsup.h (_P_SYSTEM): Define.
This commit is contained in:
Christopher Faylor
parent
41946df611
commit
d1fb625d2b
@ -1,3 +1,10 @@
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2003-09-19 Christopher Faylor <cgf@redhat.com>
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* syscalls.cc (system): Strip signal considerations from here so that
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they are not inherited by a child process.
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* spawn.cc (spawn_guts): Handle system() signal stuff here.
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* winsup.h (_P_SYSTEM): Define.
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2003-09-18 Corinna Vinschen <corinna@vinschen.de>
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2003-09-18 Corinna Vinschen <corinna@vinschen.de>
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* fhandler_tty.cc (fhandler_pty_master::process_slave_output):
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* fhandler_tty.cc (fhandler_pty_master::process_slave_output):
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453
winsup/cygwin/devices.cc
Normal file
453
winsup/cygwin/devices.cc
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@ -0,0 +1,453 @@
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/* ANSI-C code produced by gperf version 2.7.2 */
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/* Command-line: gperf -c --key-positions=5-8,1-2,9-10 -r -t -C -E -T -L ANSI-C -Hdevhash -Ndevice::lookup -Z devstring -7 -G /cygnus/src/uberbaum/winsup/cygwin/devices.gperf */
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#include "winsup.h"
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#include <sys/types.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include "devices.h"
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#include "sys/cygwin.h"
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#include "tty.h"
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#include "pinfo.h"
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#undef __GNUC__
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static unsigned int devhash (const char *, unsigned)
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__attribute__ ((regparm (2)));
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enum
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{
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TOTAL_KEYWORDS = 54,
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MIN_WORD_LENGTH = 5,
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MAX_WORD_LENGTH = 14,
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MIN_HASH_VALUE = 131,
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MAX_HASH_VALUE = 358
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};
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/* maximum key range = 228, duplicates = 0 */
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#ifdef __GNUC__
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__inline
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#else
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#ifdef __cplusplus
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inline
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#endif
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#endif
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static unsigned int
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devhash (register const char *str, register unsigned int len)
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{
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static const unsigned short asso_values[] =
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{
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 60, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 62, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 15, 359, 359, 359, 359, 359, 359,
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359, 359, 359, 359, 359, 359, 359, 0, 2, 46,
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42, 50, 3, 4, 36, 15, 10, 41, 61, 13,
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26, 30, 52, 57, 45, 27, 59, 39, 51, 38,
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32, 18, 14, 359, 359, 359, 359, 359
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};
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register int hval = len;
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switch (hval)
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{
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default:
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case 10:
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hval += asso_values[(unsigned) cyg_tolower (str[9])];
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case 9:
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hval += asso_values[(unsigned) cyg_tolower (str[8])];
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case 8:
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hval += asso_values[(unsigned) cyg_tolower (str[7])];
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case 7:
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hval += asso_values[(unsigned) cyg_tolower (str[6])];
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case 6:
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hval += asso_values[(unsigned) cyg_tolower (str[5])];
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case 5:
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hval += asso_values[(unsigned) cyg_tolower (str[4])];
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case 4:
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case 3:
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case 2:
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hval += asso_values[(unsigned) cyg_tolower (str[1])];
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case 1:
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hval += asso_values[(unsigned) cyg_tolower (str[0])];
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break;
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}
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return hval;
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}
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static NO_COPY const struct device wordlist[] =
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{
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""},
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{":bad:", FH_BAD, ":bad:", 0, 0, 0, 0},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""},
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{"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15},
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{""}, {""}, {""}, {""}, {""}, {""}, {""},
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{"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
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{"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
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{""}, {""}, {""}, {""},
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{"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0},
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{""},
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{"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1},
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{""},
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{"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15},
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{"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79},
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{"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95},
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{""}, {""},
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{"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127},
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{""}, {""},
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{"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143},
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{"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99},
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{""},
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{"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191},
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{"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399},
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{"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127},
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{""}, {""},
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{"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383},
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{""}, {""}, {""}, {""}, {""}, {""}, {""},
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{"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207},
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{"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287},
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{""}, {""},
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{"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223},
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{""},
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{"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367},
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{""},
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{"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127},
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{""},
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{"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111},
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{"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
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{"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351},
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{"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319},
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{"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0},
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{"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159},
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{"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47},
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{"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0},
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{""},
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{"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271},
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{"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31},
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{""}, {""}, {""},
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{"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63},
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{"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335},
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{"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239},
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{""}, {""}, {""}, {""},
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{"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255 /* FIXME 8 bit lunacy */},
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{"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0},
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{"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303},
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{""},
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{"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175},
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{"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0},
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{""}, {""}, {""}, {""},
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{"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0},
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{"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0},
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{""}, {""}, {""},
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{"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0},
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{""},
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{"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1},
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{""}, {""},
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{"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0},
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{"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0},
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{"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0},
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{""}, {""}, {""}, {""}, {""},
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{"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0},
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{"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0},
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{""}, {""}, {""}, {""}, {""},
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{"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0},
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{""}, {""}, {""},
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{"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0},
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{"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0},
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{""}, {""}, {""}, {""}, {""}, {""},
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{"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0},
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{""}, {""}, {""}, {""},
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{"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0},
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{"/dev/null", FH_NULL, "nul", 0, 0, 0, 0}
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};
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static const device cygdrive_dev_storage =
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{"/cygdrive", FH_CYGDRIVE, "/cygdrive", 0, 0, 0, 0};
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static const device fs_dev_storage =
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{"", FH_FS, "", 0, 0, 0, 0};
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static const device proc_dev_storage =
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{"", FH_PROC, "", 0, 0, 0, 0};
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static const device registry_dev_storage =
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{"", FH_REGISTRY, "", 0, 0, 0, 0};
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static const device process_dev_storage =
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{"", FH_PROCESS, "", 0, 0, 0, 0};
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static const device tcp_dev_storage =
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{"/dev/inet/tcp", FH_TCP, "", 0, 0, 0, 0};
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static const device udp_dev_storage =
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{"/dev/inet/udp", FH_UCP, "", 0, 0, 0, 0};
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static const device icmp_dev_storage =
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{"/dev/inet/icmp", FH_ICMP, "", 0, 0, 0, 0};
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static const device unix_dev_storage =
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{"/dev/inet/unix", FH_UNIX, "", 0, 0, 0, 0};
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static const device stream_dev_storage =
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{"/dev/inet/stream", FH_STREAM, "", 0, 0, 0, 0};
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static const device dgram_dev_storage =
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{"/dev/inet/dgram", FH_DGRAM, "", 0, 0, 0, 0};
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static const device piper_dev_storage =
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{"", FH_PIPER, "", 0, 0, 0, 0};
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static const device pipew_dev_storage =
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{"", FH_PIPEW, "", 0, 0, 0, 0};
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static const device dev_fs =
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{"", FH_FS, "", 0, 0, 0, 0};
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const device *bad_dev = wordlist + 131;
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const device *cdrom_dev = wordlist + 241;
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const device *cdrom_dev1 = wordlist + 285;
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const device *clipboard_dev = wordlist + 352;
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const device *conin_dev = wordlist + 315;
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const device *conout_dev = wordlist + 344;
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const device *console_dev = wordlist + 333;
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const device *cygdrive_dev = &cygdrive_dev_storage;
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const device *dgram_dev = &dgram_dev_storage;
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const device *fifo_dev = wordlist + 222;
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const device *floppy_dev = wordlist + 214;
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const device *fs_dev = &fs_dev_storage;
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const device *icmp_dev = &icmp_dev_storage;
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const device *kmem_dev = wordlist + 288;
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const device *mem_dev = wordlist + 246;
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const device *ntape_dev = wordlist + 282;
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const device *null_dev = wordlist + 358;
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const device *oss_dsp_dev = wordlist + 291;
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const device *pipe_dev = wordlist + 340;
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const device *piper_dev = &piper_dev_storage;
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const device *pipew_dev = &pipew_dev_storage;
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const device *port_dev = wordlist + 357;
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const device *proc_dev = &proc_dev_storage;
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const device *process_dev = &process_dev_storage;
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const device *ptym_dev = wordlist + 327;
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const device *random_dev = wordlist + 316;
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const device *rawdrive_dev = wordlist + 345;
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const device *registry_dev = ®istry_dev_storage;
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const device *sda_dev = wordlist + 248;
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const device *sdb_dev = wordlist + 250;
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const device *sdc_dev = wordlist + 294;
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const device *sdd_dev = wordlist + 290;
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const device *sde_dev = wordlist + 298;
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const device *sdf_dev = wordlist + 251;
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const device *sdg_dev = wordlist + 252;
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const device *sdh_dev = wordlist + 284;
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const device *sdi_dev = wordlist + 263;
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const device *sdj_dev = wordlist + 258;
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const device *sdk_dev = wordlist + 289;
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const device *sdl_dev = wordlist + 309;
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const device *sdm_dev = wordlist + 261;
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const device *sdn_dev = wordlist + 274;
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const device *sdo_dev = wordlist + 278;
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const device *sdp_dev = wordlist + 300;
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const device *sdq_dev = wordlist + 305;
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const device *sdr_dev = wordlist + 293;
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const device *sds_dev = wordlist + 275;
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const device *sdt_dev = wordlist + 307;
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const device *sdu_dev = wordlist + 287;
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const device *sdv_dev = wordlist + 299;
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const device *sdw_dev = wordlist + 286;
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const device *sdx_dev = wordlist + 280;
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const device *sdy_dev = wordlist + 266;
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const device *sdz_dev = wordlist + 262;
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||||||
|
const device *serial_dev = wordlist + 259;
|
||||||
|
const device *serial_dev1 = wordlist + 322;
|
||||||
|
const device *stream_dev = &stream_dev_storage;
|
||||||
|
const device *tape_dev = wordlist + 255;
|
||||||
|
const device *tcp_dev = &tcp_dev_storage;
|
||||||
|
const device *tty_dev = wordlist + 306;
|
||||||
|
const device *ttym_dev = wordlist + 320;
|
||||||
|
const device *ttys_dev = wordlist + 334;
|
||||||
|
const device *udp_dev = &udp_dev_storage;
|
||||||
|
const device *unix_dev = &unix_dev_storage;
|
||||||
|
const device *urandom_dev = wordlist + 326;
|
||||||
|
const device *windows_dev = wordlist + 325;
|
||||||
|
const device *zero_dev = wordlist + 310;
|
||||||
|
|
||||||
|
const device *unit_devices[] =
|
||||||
|
{
|
||||||
|
wordlist + 241 /* cdrom */,
|
||||||
|
wordlist + 259 /* serial */,
|
||||||
|
wordlist + 320 /* ttym */,
|
||||||
|
wordlist + 334 /* ttys */,
|
||||||
|
wordlist + 214 /* floppy */,
|
||||||
|
&tcp_dev_storage /* tcp */,
|
||||||
|
wordlist + 345 /* rawdrive */,
|
||||||
|
wordlist + 255 /* tape */
|
||||||
|
};
|
||||||
|
|
||||||
|
const device *uniq_devices[] =
|
||||||
|
{
|
||||||
|
wordlist + 131 /* bad */,
|
||||||
|
&fs_dev_storage /* fs */,
|
||||||
|
&process_dev_storage /* process */,
|
||||||
|
®istry_dev_storage /* registry */,
|
||||||
|
&proc_dev_storage /* proc */,
|
||||||
|
wordlist + 222 /* fifo */,
|
||||||
|
&pipew_dev_storage /* pipew */,
|
||||||
|
&piper_dev_storage /* piper */,
|
||||||
|
wordlist + 340 /* pipe */,
|
||||||
|
wordlist + 246 /* mem */,
|
||||||
|
wordlist + 288 /* kmem */,
|
||||||
|
wordlist + 358 /* null */,
|
||||||
|
wordlist + 310 /* zero */,
|
||||||
|
wordlist + 357 /* port */,
|
||||||
|
wordlist + 316 /* random */,
|
||||||
|
wordlist + 326 /* urandom */,
|
||||||
|
wordlist + 306 /* tty */,
|
||||||
|
wordlist + 333 /* console */,
|
||||||
|
wordlist + 327 /* ptym */,
|
||||||
|
wordlist + 344 /* conout */,
|
||||||
|
wordlist + 315 /* conin */,
|
||||||
|
wordlist + 352 /* clipboard */,
|
||||||
|
wordlist + 325 /* windows */,
|
||||||
|
wordlist + 291 /* oss_dsp */,
|
||||||
|
wordlist + 259 /* serial */
|
||||||
|
};
|
||||||
|
|
||||||
|
#ifdef __GNUC__
|
||||||
|
__inline
|
||||||
|
#endif
|
||||||
|
const struct device *
|
||||||
|
device::lookup (register const char *str, register unsigned int len)
|
||||||
|
{
|
||||||
|
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
|
||||||
|
{
|
||||||
|
register int key = devhash (str, len);
|
||||||
|
|
||||||
|
if (key <= MAX_HASH_VALUE && key >= 0)
|
||||||
|
{
|
||||||
|
register const char *s = wordlist[key].name;
|
||||||
|
|
||||||
|
if (strncasematch (str, s, len))
|
||||||
|
return &wordlist[key];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
void
|
||||||
|
device::parse (const char *s)
|
||||||
|
{
|
||||||
|
size_t len = strlen (s);
|
||||||
|
const device *dev = lookup (s, len);
|
||||||
|
unsigned unit = 0;
|
||||||
|
|
||||||
|
if (!dev || !*dev)
|
||||||
|
{
|
||||||
|
size_t prior_len = len;
|
||||||
|
while (len-- > 0 && isdigit (s[len]))
|
||||||
|
continue;
|
||||||
|
if (++len < prior_len)
|
||||||
|
{
|
||||||
|
dev = lookup (s, len);
|
||||||
|
if (!dev || (!dev->upper && !dev->devn == FH_TTY))
|
||||||
|
dev = NULL;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
unsigned n = atoi (s + len);
|
||||||
|
if (dev->devn == FH_TTY)
|
||||||
|
dev = ttys_dev; // SIGH
|
||||||
|
if (n >= dev->lower && n <= dev->upper)
|
||||||
|
unit = n;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!dev || !*dev)
|
||||||
|
*this = *fs_dev;
|
||||||
|
else if (dev->devn == FH_TTY)
|
||||||
|
tty_to_real_device ();
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*this = *dev;
|
||||||
|
if (!setunit (unit))
|
||||||
|
devn = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::init ()
|
||||||
|
{
|
||||||
|
/* nothing to do... yet */
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::parse (_major_t major, _minor_t minor)
|
||||||
|
{
|
||||||
|
_dev_t dev = FHDEV (major, 0);
|
||||||
|
|
||||||
|
devn = 0;
|
||||||
|
|
||||||
|
unsigned i;
|
||||||
|
for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
|
||||||
|
if (unit_devices[i]->devn == dev)
|
||||||
|
{
|
||||||
|
*this = *unit_devices[i];
|
||||||
|
this->setunit (minor);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = FHDEV (major, minor);
|
||||||
|
for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
|
||||||
|
if (uniq_devices[i]->devn == dev)
|
||||||
|
{
|
||||||
|
*this = *uniq_devices[i];
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
out:
|
||||||
|
if (!*this)
|
||||||
|
devn = FHDEV (major, minor);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::parse (_dev_t dev)
|
||||||
|
{
|
||||||
|
parse (_major (dev), _minor (dev));
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::tty_to_real_device ()
|
||||||
|
{
|
||||||
|
if (!real_tty_attached (myself))
|
||||||
|
*this = myself->ctty < 0 ? *bad_dev : *console_dev;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*this = *ttys_dev;
|
||||||
|
setunit (myself->ctty);
|
||||||
|
}
|
||||||
|
}
|
||||||
164
winsup/cygwin/devices.gperf
Normal file
164
winsup/cygwin/devices.gperf
Normal file
@ -0,0 +1,164 @@
|
|||||||
|
%{
|
||||||
|
#include "winsup.h"
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <ctype.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include "devices.h"
|
||||||
|
#include "sys/cygwin.h"
|
||||||
|
#include "tty.h"
|
||||||
|
#include "pinfo.h"
|
||||||
|
#undef __GNUC__
|
||||||
|
static unsigned int devhash (const char *, unsigned)
|
||||||
|
__attribute__ ((regparm (2)));
|
||||||
|
%}
|
||||||
|
struct device;
|
||||||
|
%%
|
||||||
|
"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0
|
||||||
|
"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0
|
||||||
|
"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0
|
||||||
|
"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0
|
||||||
|
"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0
|
||||||
|
"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0
|
||||||
|
"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0
|
||||||
|
"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0
|
||||||
|
"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0
|
||||||
|
"/dev/null", FH_NULL, "nul", 0, 0, 0, 0
|
||||||
|
"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0
|
||||||
|
"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0
|
||||||
|
"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0
|
||||||
|
"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0
|
||||||
|
"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0
|
||||||
|
"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0
|
||||||
|
"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0
|
||||||
|
"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99
|
||||||
|
"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1
|
||||||
|
"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0
|
||||||
|
"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0
|
||||||
|
"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127
|
||||||
|
"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127
|
||||||
|
"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15
|
||||||
|
"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15
|
||||||
|
"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15
|
||||||
|
"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1
|
||||||
|
"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15
|
||||||
|
"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31
|
||||||
|
"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47
|
||||||
|
"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63
|
||||||
|
"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79
|
||||||
|
"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95
|
||||||
|
"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111
|
||||||
|
"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127
|
||||||
|
"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143
|
||||||
|
"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159
|
||||||
|
"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175
|
||||||
|
"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191
|
||||||
|
"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207
|
||||||
|
"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223
|
||||||
|
"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239
|
||||||
|
"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255 /* FIXME 8 bit lunacy */
|
||||||
|
"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271
|
||||||
|
"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287
|
||||||
|
"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303
|
||||||
|
"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319
|
||||||
|
"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335
|
||||||
|
"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351
|
||||||
|
"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367
|
||||||
|
"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383
|
||||||
|
"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399
|
||||||
|
"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0
|
||||||
|
":bad:", FH_BAD, ":bad:", 0, 0, 0, 0
|
||||||
|
%%
|
||||||
|
void
|
||||||
|
device::parse (const char *s)
|
||||||
|
{
|
||||||
|
size_t len = strlen (s);
|
||||||
|
const device *dev = lookup (s, len);
|
||||||
|
unsigned unit = 0;
|
||||||
|
|
||||||
|
if (!dev || !*dev)
|
||||||
|
{
|
||||||
|
size_t prior_len = len;
|
||||||
|
while (len-- > 0 && isdigit (s[len]))
|
||||||
|
continue;
|
||||||
|
if (++len < prior_len)
|
||||||
|
{
|
||||||
|
dev = lookup (s, len);
|
||||||
|
if (!dev || (!dev->upper && !dev->devn == FH_TTY))
|
||||||
|
dev = NULL;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
unsigned n = atoi (s + len);
|
||||||
|
if (dev->devn == FH_TTY)
|
||||||
|
dev = ttys_dev; // SIGH
|
||||||
|
if (n >= dev->lower && n <= dev->upper)
|
||||||
|
unit = n;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!dev || !*dev)
|
||||||
|
*this = *fs_dev;
|
||||||
|
else if (dev->devn == FH_TTY)
|
||||||
|
tty_to_real_device ();
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*this = *dev;
|
||||||
|
if (!setunit (unit))
|
||||||
|
devn = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::init ()
|
||||||
|
{
|
||||||
|
/* nothing to do... yet */
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::parse (_major_t major, _minor_t minor)
|
||||||
|
{
|
||||||
|
_dev_t dev = FHDEV (major, 0);
|
||||||
|
|
||||||
|
devn = 0;
|
||||||
|
|
||||||
|
unsigned i;
|
||||||
|
for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
|
||||||
|
if (unit_devices[i]->devn == dev)
|
||||||
|
{
|
||||||
|
*this = *unit_devices[i];
|
||||||
|
this->setunit (minor);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = FHDEV (major, minor);
|
||||||
|
for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
|
||||||
|
if (uniq_devices[i]->devn == dev)
|
||||||
|
{
|
||||||
|
*this = *uniq_devices[i];
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
out:
|
||||||
|
if (!*this)
|
||||||
|
devn = FHDEV (major, minor);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::parse (_dev_t dev)
|
||||||
|
{
|
||||||
|
parse (_major (dev), _minor (dev));
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
device::tty_to_real_device ()
|
||||||
|
{
|
||||||
|
if (!real_tty_attached (myself))
|
||||||
|
*this = myself->ctty < 0 ? *bad_dev : *console_dev;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*this = *ttys_dev;
|
||||||
|
setunit (myself->ctty);
|
||||||
|
}
|
||||||
|
}
|
||||||
207
winsup/cygwin/fhandler_fifo.cc
Normal file
207
winsup/cygwin/fhandler_fifo.cc
Normal file
@ -0,0 +1,207 @@
|
|||||||
|
/* fhandler_fifo.cc. See fhandler.h for a description of the fhandler classes.
|
||||||
|
|
||||||
|
Copyright 2002 Red Hat, Inc.
|
||||||
|
|
||||||
|
This file is part of Cygwin.
|
||||||
|
|
||||||
|
This software is a copyrighted work licensed under the terms of the
|
||||||
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
||||||
|
details. */
|
||||||
|
|
||||||
|
#include "winsup.h"
|
||||||
|
#include <errno.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#include "cygerrno.h"
|
||||||
|
#include "perprocess.h"
|
||||||
|
#include "security.h"
|
||||||
|
#include "path.h"
|
||||||
|
#include "fhandler.h"
|
||||||
|
#include "dtable.h"
|
||||||
|
#include "cygheap.h"
|
||||||
|
#include "pinfo.h"
|
||||||
|
|
||||||
|
fhandler_fifo::fhandler_fifo ()
|
||||||
|
: fhandler_pipe (), output_handle (NULL), owner (NULL), upand (0),
|
||||||
|
read_use (0), write_use (0)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
fhandler_fifo::set_use (int incr)
|
||||||
|
{
|
||||||
|
long oread_use = read_use;
|
||||||
|
|
||||||
|
if (get_flags () & (O_WRONLY | O_APPEND))
|
||||||
|
write_use += incr;
|
||||||
|
else if (get_flags () & O_RDWR)
|
||||||
|
{
|
||||||
|
write_use += incr;
|
||||||
|
read_use += incr;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
read_use += incr;
|
||||||
|
|
||||||
|
if (incr >= 0)
|
||||||
|
return;
|
||||||
|
char buf[24];
|
||||||
|
__small_sprintf (buf, "%x.%x", upand, myself->pid);
|
||||||
|
ATOM ant = GlobalFindAtom (buf);
|
||||||
|
if (!ant)
|
||||||
|
return;
|
||||||
|
if (read_use <= 0 && oread_use != read_use)
|
||||||
|
{
|
||||||
|
HANDLE h = get_handle ();
|
||||||
|
if (h)
|
||||||
|
{
|
||||||
|
set_io_handle (NULL);
|
||||||
|
CloseHandle (h);
|
||||||
|
}
|
||||||
|
DeleteAtom (ant);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
fhandler_fifo::close ()
|
||||||
|
{
|
||||||
|
fhandler_pipe::close ();
|
||||||
|
CloseHandle (get_output_handle ());
|
||||||
|
set_use (-1);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define DUMMY_O_RDONLY 4
|
||||||
|
int
|
||||||
|
fhandler_fifo::open_not_mine (int flags)
|
||||||
|
{
|
||||||
|
char buf[24];
|
||||||
|
winpids pids;
|
||||||
|
static int flagtypes[] = {DUMMY_O_RDONLY | O_RDWR, O_WRONLY | O_APPEND | O_RDWR};
|
||||||
|
HANDLE *usehandles[2] = {&(get_handle ()), &(get_output_handle ())};
|
||||||
|
int res;
|
||||||
|
|
||||||
|
for (unsigned i = 0; i < pids.npids; i++)
|
||||||
|
{
|
||||||
|
_pinfo *p = pids[i];
|
||||||
|
__small_sprintf (buf, "%x.%x", upand, p->pid);
|
||||||
|
if (!GlobalFindAtom (buf))
|
||||||
|
continue;
|
||||||
|
|
||||||
|
HANDLE hp = OpenProcess (PROCESS_DUP_HANDLE, false, p->dwProcessId);
|
||||||
|
if (!hp)
|
||||||
|
{
|
||||||
|
__seterrno ();
|
||||||
|
goto err;
|
||||||
|
}
|
||||||
|
|
||||||
|
HANDLE handles[2];
|
||||||
|
commune_result r;
|
||||||
|
r = p->commune_send (PICOM_FIFO, upand);
|
||||||
|
flags = (flags & (O_RDWR | O_WRONLY | O_APPEND)) ?: DUMMY_O_RDONLY;
|
||||||
|
for (int i = 0; i < 2; i++)
|
||||||
|
{
|
||||||
|
if (!(flags & flagtypes[i]))
|
||||||
|
continue;
|
||||||
|
if (!DuplicateHandle (hp, r.handles[i], hMainProc, usehandles[i], 0,
|
||||||
|
false, DUPLICATE_SAME_ACCESS))
|
||||||
|
{
|
||||||
|
debug_printf ("couldn't duplicate handle %d/%p, %E", i, handles[i]);
|
||||||
|
__seterrno ();
|
||||||
|
goto err;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (i == 0)
|
||||||
|
{
|
||||||
|
read_state = CreateEvent (&sec_none_nih, FALSE, FALSE, NULL);
|
||||||
|
set_need_fork_fixup ();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
CloseHandle (hp);
|
||||||
|
|
||||||
|
res = 1;
|
||||||
|
set_flags (flags);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
set_errno (EAGAIN);
|
||||||
|
|
||||||
|
err:
|
||||||
|
res = 0;
|
||||||
|
debug_printf ("failed");
|
||||||
|
|
||||||
|
out:
|
||||||
|
debug_printf ("res %d", res);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
fhandler_fifo::open (int flags, mode_t)
|
||||||
|
{
|
||||||
|
int res = 1;
|
||||||
|
char buf[24];
|
||||||
|
|
||||||
|
upand = GlobalAddAtom (pc);
|
||||||
|
__small_sprintf (buf, "%x.owner", upand);
|
||||||
|
debug_printf ("mutex %s", buf);
|
||||||
|
|
||||||
|
HANDLE h = CreateMutex (&sec_none, false, buf);
|
||||||
|
if (!h)
|
||||||
|
goto errnout;
|
||||||
|
|
||||||
|
if (GetLastError () == ERROR_ALREADY_EXISTS)
|
||||||
|
{
|
||||||
|
CloseHandle (h);
|
||||||
|
return open_not_mine (flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
fhandler_pipe *fhs[2];
|
||||||
|
if (create (fhs, 0, flags, true))
|
||||||
|
{
|
||||||
|
CloseHandle (h);
|
||||||
|
goto errout;
|
||||||
|
}
|
||||||
|
|
||||||
|
set_flags (fhs[0]->get_flags ());
|
||||||
|
set_io_handle (fhs[0]->get_handle ());
|
||||||
|
set_output_handle (fhs[1]->get_handle ());
|
||||||
|
guard = fhs[0]->guard;
|
||||||
|
read_state = fhs[0]->read_state;
|
||||||
|
writepipe_exists = fhs[1]->writepipe_exists;
|
||||||
|
orig_pid = fhs[0]->orig_pid;
|
||||||
|
id = fhs[0]->id;
|
||||||
|
delete (fhs[0]);
|
||||||
|
delete (fhs[1]);
|
||||||
|
set_use (1);
|
||||||
|
__small_sprintf (buf, "%x.%x", upand, myself->pid);
|
||||||
|
(void) GlobalAddAtom (buf);
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
errnout:
|
||||||
|
__seterrno ();
|
||||||
|
errout:
|
||||||
|
res = 0;
|
||||||
|
|
||||||
|
out:
|
||||||
|
debug_printf ("returning %d, errno %d", res, get_errno ());
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
fhandler_fifo::dup (fhandler_base * child)
|
||||||
|
{
|
||||||
|
int res = fhandler_pipe::dup (child);
|
||||||
|
if (!res)
|
||||||
|
{
|
||||||
|
fhandler_fifo *ff = (fhandler_fifo *) child;
|
||||||
|
|
||||||
|
if (!DuplicateHandle (hMainProc, get_output_handle (), hMainProc,
|
||||||
|
&ff->get_output_handle (), false, true,
|
||||||
|
DUPLICATE_SAME_ACCESS))
|
||||||
|
{
|
||||||
|
child->close ();
|
||||||
|
res = -1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
40
winsup/cygwin/fhandler_nodevice.cc
Normal file
40
winsup/cygwin/fhandler_nodevice.cc
Normal file
@ -0,0 +1,40 @@
|
|||||||
|
/* fhandler.cc. See console.cc for fhandler_console functions.
|
||||||
|
|
||||||
|
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
||||||
|
|
||||||
|
This file is part of Cygwin.
|
||||||
|
|
||||||
|
This software is a copyrighted work licensed under the terms of the
|
||||||
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
||||||
|
details. */
|
||||||
|
|
||||||
|
#include "winsup.h"
|
||||||
|
#include <errno.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <sys/cygwin.h>
|
||||||
|
#include <sys/uio.h>
|
||||||
|
#include <signal.h>
|
||||||
|
#include "cygerrno.h"
|
||||||
|
#include "perprocess.h"
|
||||||
|
#include "security.h"
|
||||||
|
#include "cygwin/version.h"
|
||||||
|
#include "path.h"
|
||||||
|
#include "fhandler.h"
|
||||||
|
#include "dtable.h"
|
||||||
|
#include "cygheap.h"
|
||||||
|
#include "shared_info.h"
|
||||||
|
#include "pinfo.h"
|
||||||
|
#include <assert.h>
|
||||||
|
#include <limits.h>
|
||||||
|
|
||||||
|
int
|
||||||
|
fhandler_nodevice::open (int, mode_t)
|
||||||
|
{
|
||||||
|
set_errno (ENXIO);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
fhandler_nodevice::fhandler_nodevice ()
|
||||||
|
{
|
||||||
|
}
|
||||||
@ -234,6 +234,8 @@ void __stdcall set_myself (pid_t pid, HANDLE h = NULL);
|
|||||||
extern pinfo myself;
|
extern pinfo myself;
|
||||||
|
|
||||||
#define _P_VFORK 0
|
#define _P_VFORK 0
|
||||||
|
#define _P_SYSTEM 512
|
||||||
|
|
||||||
extern void __stdcall pinfo_fixup_after_fork ();
|
extern void __stdcall pinfo_fixup_after_fork ();
|
||||||
extern HANDLE hexec_proc;
|
extern HANDLE hexec_proc;
|
||||||
|
|
||||||
|
|||||||
@ -1,6 +1,6 @@
|
|||||||
/* spawn.cc
|
/* spawn.cc
|
||||||
|
|
||||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
|
||||||
|
|
||||||
This file is part of Cygwin.
|
This file is part of Cygwin.
|
||||||
|
|
||||||
@ -21,8 +21,8 @@ details. */
|
|||||||
#include "cygerrno.h"
|
#include "cygerrno.h"
|
||||||
#include <sys/cygwin.h>
|
#include <sys/cygwin.h>
|
||||||
#include "security.h"
|
#include "security.h"
|
||||||
#include "fhandler.h"
|
|
||||||
#include "path.h"
|
#include "path.h"
|
||||||
|
#include "fhandler.h"
|
||||||
#include "dtable.h"
|
#include "dtable.h"
|
||||||
#include "sigproc.h"
|
#include "sigproc.h"
|
||||||
#include "cygheap.h"
|
#include "cygheap.h"
|
||||||
@ -686,6 +686,22 @@ spawn_guts (const char * prog_arg, const char *const *argv,
|
|||||||
&si,
|
&si,
|
||||||
&pi);
|
&pi);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* FIXME: There is a small race here */
|
||||||
|
|
||||||
|
sigset_t old_mask;
|
||||||
|
_sig_func_ptr oldint = (_sig_func_ptr) NULL;
|
||||||
|
_sig_func_ptr oldquit = (_sig_func_ptr) NULL;
|
||||||
|
if (mode == _P_SYSTEM)
|
||||||
|
{
|
||||||
|
sigset_t child_block;
|
||||||
|
oldint = signal (SIGINT, SIG_IGN);
|
||||||
|
oldquit = signal (SIGQUIT, SIG_IGN);
|
||||||
|
sigemptyset (&child_block);
|
||||||
|
sigaddset (&child_block, SIGCHLD);
|
||||||
|
(void) sigprocmask (SIG_BLOCK, &child_block, &old_mask);
|
||||||
|
}
|
||||||
|
|
||||||
/* Restore impersonation. In case of _P_OVERLAY this isn't
|
/* Restore impersonation. In case of _P_OVERLAY this isn't
|
||||||
allowed since it would overwrite child data. */
|
allowed since it would overwrite child data. */
|
||||||
if (mode != _P_OVERLAY)
|
if (mode != _P_OVERLAY)
|
||||||
@ -867,7 +883,14 @@ spawn_guts (const char * prog_arg, const char *const *argv,
|
|||||||
myself->exit (res, 1);
|
myself->exit (res, 1);
|
||||||
break;
|
break;
|
||||||
case _P_WAIT:
|
case _P_WAIT:
|
||||||
|
case _P_SYSTEM:
|
||||||
waitpid (cygpid, (int *) &res, 0);
|
waitpid (cygpid, (int *) &res, 0);
|
||||||
|
if (mode == _P_SYSTEM)
|
||||||
|
{
|
||||||
|
signal (SIGINT, oldint);
|
||||||
|
signal (SIGQUIT, oldquit);
|
||||||
|
sigprocmask (SIG_SETMASK, &old_mask, NULL);
|
||||||
|
}
|
||||||
break;
|
break;
|
||||||
case _P_DETACH:
|
case _P_DETACH:
|
||||||
res = 0; /* Lose all memory of this child. */
|
res = 0; /* Lose all memory of this child. */
|
||||||
@ -923,6 +946,7 @@ spawnve (int mode, const char *path, const char *const *argv,
|
|||||||
case _P_NOWAITO:
|
case _P_NOWAITO:
|
||||||
case _P_WAIT:
|
case _P_WAIT:
|
||||||
case _P_DETACH:
|
case _P_DETACH:
|
||||||
|
case _P_SYSTEM:
|
||||||
subproc_init ();
|
subproc_init ();
|
||||||
ret = spawn_guts (path, argv, envp, mode);
|
ret = spawn_guts (path, argv, envp, mode);
|
||||||
if (vf)
|
if (vf)
|
||||||
|
|||||||
@ -1450,21 +1450,6 @@ done:
|
|||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
struct system_cleanup_args
|
|
||||||
{
|
|
||||||
_sig_func_ptr oldint, oldquit;
|
|
||||||
sigset_t old_mask;
|
|
||||||
};
|
|
||||||
|
|
||||||
static void system_cleanup (void *args)
|
|
||||||
{
|
|
||||||
struct system_cleanup_args *cleanup_args = (struct system_cleanup_args *) args;
|
|
||||||
|
|
||||||
signal (SIGINT, cleanup_args->oldint);
|
|
||||||
signal (SIGQUIT, cleanup_args->oldquit);
|
|
||||||
(void) sigprocmask (SIG_SETMASK, &cleanup_args->old_mask, 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
extern "C" int
|
extern "C" int
|
||||||
system (const char *cmdstring)
|
system (const char *cmdstring)
|
||||||
{
|
{
|
||||||
@ -1476,34 +1461,22 @@ system (const char *cmdstring)
|
|||||||
sigframe thisframe (mainthread);
|
sigframe thisframe (mainthread);
|
||||||
int res;
|
int res;
|
||||||
const char* command[4];
|
const char* command[4];
|
||||||
struct system_cleanup_args cleanup_args;
|
|
||||||
sigset_t child_block;
|
|
||||||
|
|
||||||
if (cmdstring == (const char *) NULL)
|
if (cmdstring == (const char *) NULL)
|
||||||
return 1;
|
return 1;
|
||||||
|
|
||||||
cleanup_args.oldint = signal (SIGINT, SIG_IGN);
|
|
||||||
cleanup_args.oldquit = signal (SIGQUIT, SIG_IGN);
|
|
||||||
sigemptyset (&child_block);
|
|
||||||
sigaddset (&child_block, SIGCHLD);
|
|
||||||
(void) sigprocmask (SIG_BLOCK, &child_block, &cleanup_args.old_mask);
|
|
||||||
|
|
||||||
command[0] = "sh";
|
command[0] = "sh";
|
||||||
command[1] = "-c";
|
command[1] = "-c";
|
||||||
command[2] = cmdstring;
|
command[2] = cmdstring;
|
||||||
command[3] = (const char *) NULL;
|
command[3] = (const char *) NULL;
|
||||||
|
|
||||||
pthread_cleanup_push (system_cleanup, (void *) &cleanup_args);
|
if ((res = spawnvp (_P_SYSTEM, "sh", command)) == -1)
|
||||||
|
|
||||||
if ((res = spawnvp (_P_WAIT, "sh", command)) == -1)
|
|
||||||
{
|
{
|
||||||
// when exec fails, return value should be as if shell
|
// when exec fails, return value should be as if shell
|
||||||
// executed exit (127)
|
// executed exit (127)
|
||||||
res = 127;
|
res = 127;
|
||||||
}
|
}
|
||||||
|
|
||||||
pthread_cleanup_pop (1);
|
|
||||||
|
|
||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user