2002-05-31 Jeff Johnston <jjohnstn@redhat.com>
* libc/sys/linux/Makefile.am: Add sig.c and sigaction.c. Also
make siglist.inc dependent on sig.c instead of signal.c.
* libc/sys/linux/Makefile.in: Regenerated.
* libc/sys/linux/sig.c: Rename from signal.c and change code to
use NSIG instead of _NSIG.
* libc/sys/linux/sigaction.c: New file.
* libc/sys/linux/signal.c: Changed to be linux signal() function
so as to override regular newlib default signal.c.
* libc/sys/linux/linuxthreads/config.h: Add __ASSUME_REALTIME_SIGNALS
definition.
* libc/sys/linux/linuxthreads/testrtsig.h: New file.
* libc/sys/linux/machine/i386/Makefile.am: Remove sigset.c.
* libc/sys/linux/machine/i386/Makefile.in: Regenerated.
* libc/sys/linux/machine/i386/sigset.c: Moved to linux main directory.
* libc/sys/linux/sigset.c: Moved from machine/i386 directory.
* libc/sys/linux/sys/signal.h: Redefine NSIG to _NSIG and override
default linux sigset_t typedef by defining it equal to __sigset_t.
* libc/unix/sigset.c: Add check so code isn't compiled on systems
with a sigset_t that isn't implemented with a single int.
This commit is contained in:
Jeff Johnston
parent
89d7acf37a
commit
ea55e3f7f3
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@ -1,3 +1,25 @@
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2002-05-31 Jeff Johnston <jjohnstn@redhat.com>
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* libc/sys/linux/Makefile.am: Add sig.c and sigaction.c. Also
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make siglist.inc dependent on sig.c instead of signal.c.
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* libc/sys/linux/Makefile.in: Regenerated.
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* libc/sys/linux/sig.c: Rename from signal.c and change code to
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use NSIG instead of _NSIG.
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* libc/sys/linux/sigaction.c: New file.
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* libc/sys/linux/signal.c: Changed to be linux signal() function
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so as to override regular newlib default signal.c.
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* libc/sys/linux/linuxthreads/config.h: Add __ASSUME_REALTIME_SIGNALS
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definition.
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* libc/sys/linux/linuxthreads/testrtsig.h: New file.
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* libc/sys/linux/machine/i386/Makefile.am: Remove sigset.c.
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* libc/sys/linux/machine/i386/Makefile.in: Regenerated.
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* libc/sys/linux/machine/i386/sigset.c: Moved to linux main directory.
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* libc/sys/linux/sigset.c: Moved from machine/i386 directory.
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* libc/sys/linux/sys/signal.h: Redefine NSIG to _NSIG and override
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default linux sigset_t typedef by defining it equal to __sigset_t.
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* libc/unix/sigset.c: Add check so code isn't compiled on systems
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with a sigset_t that isn't implemented with a single int.
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2002-05-30 Jeff Johnston <jjohnstn@redhat.com>
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* libc/sys/linux/Makefile.am: Add support for new files.
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@ -13,8 +13,8 @@ LIB_SOURCES = \
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brk.c cfspeed.c flockfile.c funlockfile.c gethostname.c getoptlong.c \
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getreent.c ids.c inode.c io.c io64.c linux.c mmap.c \
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pread.c pread64.c process.c pwrite.c pwrite64.c raise.c realpath.c \
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rename.c resource.c sched.c select.c seteuid.c shm_open.c \
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shm_unlink.c sigaction.c sigqueue.c signal.c siglongjmp.c sigwait.c \
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rename.c resource.c sched.c select.c seteuid.c shm_open.c shm_unlink.c \
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sig.c sigaction.c sigqueue.c signal.c siglongjmp.c sigset.c sigwait.c \
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socket.c sleep.c stack.c sysconf.c sysctl.c systat.c system.c \
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tcdrain.c tcsendbrk.c termios.c time.c usleep.c wait.c
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@ -62,7 +62,7 @@ crt0.o: machine/crt0.o
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machine/crt0.o: ; @true
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signal.$(oext): siglist.inc
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sig.$(oext): siglist.inc
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siglist.inc:
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$(AWK) '/#define.SIG.*[1-9][0-9]*/ { n[$$3] = $$2 } \
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@ -104,8 +104,8 @@ LIB_SOURCES = \
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brk.c cfspeed.c flockfile.c funlockfile.c gethostname.c getoptlong.c \
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getreent.c ids.c inode.c io.c io64.c linux.c mmap.c \
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pread.c pread64.c process.c pwrite.c pwrite64.c raise.c realpath.c \
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rename.c resource.c sched.c select.c seteuid.c shm_open.c \
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shm_unlink.c sigaction.c sigqueue.c signal.c siglongjmp.c sigwait.c \
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rename.c resource.c sched.c select.c seteuid.c shm_open.c shm_unlink.c \
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sig.c sigaction.c sigqueue.c signal.c siglongjmp.c sigset.c sigwait.c \
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socket.c sleep.c stack.c sysconf.c sysctl.c systat.c system.c \
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tcdrain.c tcsendbrk.c termios.c time.c usleep.c wait.c
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@ -142,11 +142,11 @@ LIBS = @LIBS@
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@USE_LIBTOOL_FALSE@ids.o inode.o io.o io64.o linux.o mmap.o pread.o \
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@USE_LIBTOOL_FALSE@pread64.o process.o pwrite.o pwrite64.o raise.o \
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@USE_LIBTOOL_FALSE@realpath.o rename.o resource.o sched.o select.o \
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@USE_LIBTOOL_FALSE@seteuid.o shm_open.o shm_unlink.o sigaction.o \
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@USE_LIBTOOL_FALSE@sigqueue.o signal.o siglongjmp.o sigwait.o socket.o \
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@USE_LIBTOOL_FALSE@sleep.o stack.o sysconf.o sysctl.o systat.o system.o \
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@USE_LIBTOOL_FALSE@tcdrain.o tcsendbrk.o termios.o time.o usleep.o \
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@USE_LIBTOOL_FALSE@wait.o
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@USE_LIBTOOL_FALSE@seteuid.o shm_open.o shm_unlink.o sig.o sigaction.o \
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@USE_LIBTOOL_FALSE@sigqueue.o signal.o siglongjmp.o sigset.o sigwait.o \
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@USE_LIBTOOL_FALSE@socket.o sleep.o stack.o sysconf.o sysctl.o systat.o \
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@USE_LIBTOOL_FALSE@system.o tcdrain.o tcsendbrk.o termios.o time.o \
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@USE_LIBTOOL_FALSE@usleep.o wait.o
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LTLIBRARIES = $(noinst_LTLIBRARIES)
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@USE_LIBTOOL_TRUE@liblinux_la_DEPENDENCIES =
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@ -156,10 +156,11 @@ LTLIBRARIES = $(noinst_LTLIBRARIES)
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@USE_LIBTOOL_TRUE@mmap.lo pread.lo pread64.lo process.lo pwrite.lo \
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@USE_LIBTOOL_TRUE@pwrite64.lo raise.lo realpath.lo rename.lo \
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@USE_LIBTOOL_TRUE@resource.lo sched.lo select.lo seteuid.lo shm_open.lo \
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@USE_LIBTOOL_TRUE@shm_unlink.lo sigaction.lo sigqueue.lo signal.lo \
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@USE_LIBTOOL_TRUE@siglongjmp.lo sigwait.lo socket.lo sleep.lo stack.lo \
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@USE_LIBTOOL_TRUE@sysconf.lo sysctl.lo systat.lo system.lo tcdrain.lo \
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@USE_LIBTOOL_TRUE@tcsendbrk.lo termios.lo time.lo usleep.lo wait.lo
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@USE_LIBTOOL_TRUE@shm_unlink.lo sig.lo sigaction.lo sigqueue.lo \
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@USE_LIBTOOL_TRUE@signal.lo siglongjmp.lo sigset.lo sigwait.lo \
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@USE_LIBTOOL_TRUE@socket.lo sleep.lo stack.lo sysconf.lo sysctl.lo \
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@USE_LIBTOOL_TRUE@systat.lo system.lo tcdrain.lo tcsendbrk.lo \
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@USE_LIBTOOL_TRUE@termios.lo time.lo usleep.lo wait.lo
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CFLAGS = @CFLAGS@
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COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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@ -519,7 +520,7 @@ crt0.o: machine/crt0.o
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machine/crt0.o: ; @true
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signal.$(oext): siglist.inc
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sig.$(oext): siglist.inc
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siglist.inc:
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$(AWK) '/#define.SIG.*[1-9][0-9]*/ { n[$$3] = $$2 } \
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@ -4,7 +4,7 @@ AUTOMAKE_OPTIONS = cygnus
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INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
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LIB_SOURCES = setjmp.S sigaction.c sigset.c
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LIB_SOURCES = setjmp.S sigaction.c
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liblinuxi386_la_LDFLAGS = -Xcompiler -nostdlib
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@ -92,7 +92,7 @@ AUTOMAKE_OPTIONS = cygnus
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INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
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LIB_SOURCES = setjmp.S sigaction.c sigset.c
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LIB_SOURCES = setjmp.S sigaction.c
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liblinuxi386_la_LDFLAGS = -Xcompiler -nostdlib
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@ -116,12 +116,11 @@ DEFS = @DEFS@ -I. -I$(srcdir)
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CPPFLAGS = @CPPFLAGS@
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LIBS = @LIBS@
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lib_a_LIBADD =
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@USE_LIBTOOL_FALSE@lib_a_OBJECTS = setjmp.o sigaction.o sigset.o
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@USE_LIBTOOL_FALSE@lib_a_OBJECTS = setjmp.o sigaction.o
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LTLIBRARIES = $(noinst_LTLIBRARIES)
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liblinuxi386_la_LIBADD =
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@USE_LIBTOOL_TRUE@liblinuxi386_la_OBJECTS = setjmp.lo sigaction.lo \
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@USE_LIBTOOL_TRUE@sigset.lo
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@USE_LIBTOOL_TRUE@liblinuxi386_la_OBJECTS = setjmp.lo sigaction.lo
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CFLAGS = @CFLAGS@
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COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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@ -0,0 +1,83 @@
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/* libc/sys/linux/signal.c - Signal handling functions */
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/* Written 2000 by Werner Almesberger */
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#include <signal.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <machine/syscall.h>
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/* avoid name space pollution */
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#define __NR___sgetmask __NR_sgetmask
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#define __NR___ssetmask __NR_ssetmask
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#define __NR___rt_sigtimedwait __NR_rt_sigtimedwait
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#define __NR___rt_sigpending __NR_rt_sigpending
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#define __NR___rt_sigprocmask __NR_rt_sigprocmask
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#define __NR___rt_sigsuspend __NR_rt_sigsuspend
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_syscall2(int,kill,pid_t,pid,int,sig)
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_syscall2(__sighandler_t,signal,int,signum,__sighandler_t,handler)
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_syscall0(int,pause)
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_syscall1(unsigned int,alarm,unsigned int,seconds)
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static _syscall0(int,__sgetmask)
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static _syscall1(int,__ssetmask,int,newmask)
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static _syscall2(int,__rt_sigpending,sigset_t *,set,size_t,size)
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static _syscall4(int,__rt_sigprocmask,int,how,const sigset_t *,set,sigset_t *,oldset,size_t,size)
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static _syscall2(int,__rt_sigsuspend,const sigset_t *,mask,size_t,size)
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static _syscall4(int,__rt_sigtimedwait,const sigset_t *,set,siginfo_t *,info,struct timespec *,timeout,size_t,size)
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int __sigsuspend (const sigset_t *mask)
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{
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return __rt_sigsuspend(mask, NSIG/8);
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}
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weak_alias(__sigsuspend,sigsuspend)
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int sigsetmask(int newmask) /* BSD */
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{
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return __ssetmask(newmask);
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}
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int sigmask(int signum) /* BSD */
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{
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return 1 << signum;
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}
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int sigblock(int mask) /* BSD */
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{
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return __ssetmask(mask | __sgetmask());
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}
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int __libc_raise(int sig)
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{
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return kill(getpid(),sig);
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}
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weak_alias(__libc_raise,raise)
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int __sigpending(sigset_t *set)
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{
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return __rt_sigpending(set, NSIG/8);
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}
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weak_alias(__sigpending,sigpending)
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int __sigprocmask (int how,const sigset_t *set,sigset_t *oldset)
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{
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return __rt_sigprocmask(how, set, oldset, NSIG/8);
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}
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weak_alias(__sigprocmask,sigprocmask)
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int sigtimedwait(const sigset_t *set, siginfo_t *info,
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struct timespec *timeout)
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{
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return __rt_sigtimedwait(set, info, timeout, NSIG/8);
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}
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int sigwaitinfo(const sigset_t *set, siginfo_t *info)
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{
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return __rt_sigtimedwait(set, info, NULL, NSIG/8);
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}
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const char *const sys_siglist[] = {
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#include "siglist.inc"
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};
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@ -60,7 +60,7 @@ __libc_sigaction (sig, act, oact)
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real size of the user-level sigset_t. */
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result = __rt_sigaction (sig,
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act ? (&kact) : NULL,
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oact ? (&koact) : NULL, _NSIG / 8);
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oact ? (&koact) : NULL, NSIG / 8);
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if (oact && result >= 0)
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{
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|
|
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@ -1,83 +1,54 @@
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/* libc/sys/linux/signal.c - Signal handling functions */
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/* BSD-like signal function.
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Copyright (C) 1991, 1992, 1996, 1997, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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|
||||
/* Written 2000 by Werner Almesberger */
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The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
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#include <errno.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <machine/syscall.h>
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#include <machine/weakalias.h>
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/* avoid name space pollution */
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||||
#define __NR___sgetmask __NR_sgetmask
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||||
#define __NR___ssetmask __NR_ssetmask
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||||
#define __NR___rt_sigtimedwait __NR_rt_sigtimedwait
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||||
#define __NR___rt_sigpending __NR_rt_sigpending
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||||
#define __NR___rt_sigprocmask __NR_rt_sigprocmask
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||||
#define __NR___rt_sigsuspend __NR_rt_sigsuspend
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||||
sigset_t _sigintr; /* Set by siginterrupt. */
|
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|
||||
_syscall2(int,kill,pid_t,pid,int,sig)
|
||||
_syscall2(__sighandler_t,signal,int,signum,__sighandler_t,handler)
|
||||
_syscall0(int,pause)
|
||||
_syscall1(unsigned int,alarm,unsigned int,seconds)
|
||||
|
||||
static _syscall0(int,__sgetmask)
|
||||
static _syscall1(int,__ssetmask,int,newmask)
|
||||
static _syscall2(int,__rt_sigpending,sigset_t *,set,size_t,size)
|
||||
static _syscall4(int,__rt_sigprocmask,int,how,const sigset_t *,set,sigset_t *,oldset,size_t,size)
|
||||
static _syscall2(int,__rt_sigsuspend,const sigset_t *,mask,size_t,size)
|
||||
static _syscall4(int,__rt_sigtimedwait,const sigset_t *,set,siginfo_t *,info,struct timespec *,timeout,size_t,size)
|
||||
|
||||
int __sigsuspend (const sigset_t *mask)
|
||||
/* Set the handler for the signal SIG to HANDLER,
|
||||
returning the old handler, or SIG_ERR on error. */
|
||||
__sighandler_t
|
||||
__bsd_signal (sig, handler)
|
||||
int sig;
|
||||
__sighandler_t handler;
|
||||
{
|
||||
return __rt_sigsuspend(mask, _NSIG/8);
|
||||
}
|
||||
weak_alias(__sigsuspend,sigsuspend)
|
||||
struct sigaction act, oact;
|
||||
|
||||
int sigsetmask(int newmask) /* BSD */
|
||||
{
|
||||
return __ssetmask(newmask);
|
||||
}
|
||||
/* Check signal extents to protect __sigismember. */
|
||||
if (handler == SIG_ERR || sig < 1 || sig >= NSIG)
|
||||
{
|
||||
errno = (EINVAL);
|
||||
return SIG_ERR;
|
||||
}
|
||||
|
||||
int sigmask(int signum) /* BSD */
|
||||
{
|
||||
return 1 << signum;
|
||||
}
|
||||
act.sa_handler = handler;
|
||||
if (sigemptyset (&act.sa_mask) < 0
|
||||
|| sigaddset (&act.sa_mask, sig) < 0)
|
||||
return SIG_ERR;
|
||||
act.sa_flags = sigismember (&_sigintr, sig) ? 0 : SA_RESTART;
|
||||
if (sigaction (sig, &act, &oact) < 0)
|
||||
return SIG_ERR;
|
||||
|
||||
int sigblock(int mask) /* BSD */
|
||||
{
|
||||
return __ssetmask(mask | __sgetmask());
|
||||
return oact.sa_handler;
|
||||
}
|
||||
|
||||
int __libc_raise(int sig)
|
||||
{
|
||||
return kill(getpid(),sig);
|
||||
}
|
||||
weak_alias(__libc_raise,raise)
|
||||
|
||||
int __sigpending(sigset_t *set)
|
||||
{
|
||||
return __rt_sigpending(set, _NSIG/8);
|
||||
}
|
||||
weak_alias(__sigpending,sigpending)
|
||||
|
||||
int __sigprocmask (int how,const sigset_t *set,sigset_t *oldset)
|
||||
{
|
||||
return __rt_sigprocmask(how, set, oldset, _NSIG/8);
|
||||
}
|
||||
weak_alias(__sigprocmask,sigprocmask)
|
||||
|
||||
int sigtimedwait(const sigset_t *set, siginfo_t *info,
|
||||
struct timespec *timeout)
|
||||
{
|
||||
return __rt_sigtimedwait(set, info, timeout, _NSIG/8);
|
||||
}
|
||||
|
||||
int sigwaitinfo(const sigset_t *set, siginfo_t *info)
|
||||
{
|
||||
return __rt_sigtimedwait(set, info, NULL, _NSIG/8);
|
||||
}
|
||||
|
||||
const char *const sys_siglist[] = {
|
||||
#include "siglist.inc"
|
||||
};
|
||||
weak_alias (__bsd_signal, bsd_signal)
|
||||
weak_alias (__bsd_signal, signal)
|
||||
weak_alias (__bsd_signal, ssignal)
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@
|
|||
#include <bits/sigset.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <machine/weakalias.h>
|
||||
|
||||
int
|
||||
sigaddset (sigset_t *set, const int signo)
|
||||
|
|
@ -25,8 +26,8 @@ sigaddset (sigset_t *set, const int signo)
|
|||
return -1;
|
||||
}
|
||||
|
||||
index = (signo - 1) / 32;
|
||||
mask = 1 << ((signo - 1) % 32);
|
||||
index = (signo - 1) / (8 * sizeof(long));
|
||||
mask = 1 << ((signo - 1) % (8 * sizeof(long)));
|
||||
|
||||
st->__val[index] |= mask;
|
||||
return 0;
|
||||
|
|
@ -46,8 +47,8 @@ sigdelset (sigset_t *set, const int signo)
|
|||
return -1;
|
||||
}
|
||||
|
||||
index = (signo - 1) / 32;
|
||||
mask = 1 << ((signo - 1) % 32);
|
||||
index = (signo - 1) / (8 * sizeof(long));
|
||||
mask = 1 << ((signo - 1) % (8 * sizeof(long)));
|
||||
|
||||
st->__val[index] &= ~mask;
|
||||
return 0;
|
||||
|
|
@ -89,8 +90,8 @@ sigismember (const sigset_t *set, int signo)
|
|||
return -1;
|
||||
}
|
||||
|
||||
index = (signo - 1) / 32;
|
||||
mask = 1 << ((signo - 1) % 32);
|
||||
index = (signo - 1) / (8 * sizeof(long));
|
||||
mask = 1 << ((signo - 1) % (8 * sizeof(long)));
|
||||
|
||||
return (st->__val[index] & mask) != 0;
|
||||
}
|
||||
|
|
@ -5,13 +5,21 @@
|
|||
|
||||
#ifndef _SYS_SIGNAL_H
|
||||
#define _SYS_SIGNAL_H
|
||||
#define _SIGNAL_H
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <linux/signal.h>
|
||||
#include <bits/sigset.h>
|
||||
#define _SIGNAL_H
|
||||
#include <bits/signum.h>
|
||||
|
||||
/* we want RT signals so we must override the definition of sigset_t
|
||||
and NSIG */
|
||||
|
||||
#undef NSIG
|
||||
#define NSIG _NSIG
|
||||
#undef sigset_t
|
||||
#define sigset_t __sigset_t
|
||||
|
||||
/* --- include/signal.h thinks it knows better :-( --- */
|
||||
|
||||
#undef SIG_DFL
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
#include <signal.h>
|
||||
#include <errno.h>
|
||||
|
||||
#ifdef SIG_SETMASK /* easier than trying to remove from Makefile */
|
||||
#if defined(SIG_SETMASK) && NSIG <= 32 /* easier than trying to remove from Makefile */
|
||||
|
||||
#undef sigemptyset
|
||||
int
|
||||
|
|
|
|||
Loading…
Reference in New Issue