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- #include <errno.h>
- #include <limits.h>
- #include <signal.h>
- #include <sysdep.h>
- #include <pthreadP.h>
- #include <bits/kernel-features.h>
- int
- raise (
- int sig)
- {
- struct pthread *pd = THREAD_SELF;
- #if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
- pid_t pid = THREAD_GETMEM (pd, pid);
- #endif
- pid_t selftid = THREAD_GETMEM (pd, tid);
- if (selftid == 0)
- {
-
- #ifdef INTERNAL_SYSCALL
- INTERNAL_SYSCALL_DECL (err);
- selftid = INTERNAL_SYSCALL (gettid, err, 0);
- #else
- selftid = INLINE_SYSCALL (gettid, 0);
- #endif
- THREAD_SETMEM (pd, tid, selftid);
- #if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
-
- pid = selftid;
- #endif
- }
- #if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
- else
-
- if (__builtin_expect (pid <= 0, 0))
- pid = (pid & INT_MAX) == 0 ? selftid : -pid;
- #endif
- #if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
- return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
- #else
- # ifdef __NR_tgkill
- int res = INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
- if (res != -1 || errno != ENOSYS)
- return res;
- # endif
- return INLINE_SYSCALL (tkill, 2, selftid, sig);
- #endif
- }
- libc_hidden_def (raise)
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