96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
/*
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* hl-stub.c -- provide _kill() and _getpid().
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*
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* Copyright (c) 2024 Synopsys Inc.
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*
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*/
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/times.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "glue.h"
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/* If PID is equal to __MYPID, exit with sig as retcode. */
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int
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_kill (int pid, int sig)
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{
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if (pid == __MYPID)
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_exit (sig);
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errno = ENOSYS;
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return -1;
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}
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/* Return __MYPID. */
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int
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_getpid (void)
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{
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return __MYPID;
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}
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/* We do not have 64-bit compatible hostlink fstat. */
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#if defined (__ARC64__)
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int
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_fstat (int fd, struct stat *st)
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{
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memset (st, 0, sizeof (*st));
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st->st_mode = S_IFCHR;
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st->st_blksize = 1024;
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return 0;
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}
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#endif
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/* hostlink backend has only fstat(), so use fstat() in stat(). */
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int
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_stat (const char *pathname, struct stat *buf)
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{
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int fd;
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int ret;
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int saved_errno;
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fd = open (pathname, O_RDONLY);
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if (fd < 0)
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{
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/* errno is set by open(). */
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return -1;
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}
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ret = fstat (fd, buf);
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saved_errno = errno;
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close (fd);
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errno = saved_errno;
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return ret;
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}
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/* No Metaware hostlink backend for this call. */
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int
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_link (const char *oldpath __attribute__ ((unused)),
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const char *newpath __attribute__ ((unused)))
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{
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errno = ENOSYS;
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return -1;
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}
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