diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/raise.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/raise.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/raise.c b/nptl/sysdeps/unix/sysv/linux/raise.c index 24a00b1e4d..25d3ed8afd 100644 --- a/nptl/sysdeps/unix/sysv/linux/raise.c +++ b/nptl/sysdeps/unix/sysv/linux/raise.c @@ -21,6 +21,7 @@ #include <signal.h> #include <sysdep.h> #include <nptl/pthreadP.h> +#include <kernel-features.h> int @@ -28,7 +29,7 @@ raise (sig) int sig; { struct pthread *pd = THREAD_SELF; - pid_t selftid = pd->tid; + pid_t selftid = THREAD_GETMEM (pd, tid); if (selftid == 0) { /* This system call is not supposed to fail. */ @@ -39,9 +40,21 @@ raise (sig) selftid = INLINE_SYSCALL (gettid, 0); #endif THREAD_SETMEM (pd, tid, selftid); + + /* In this case the TID and PID are the same. */ + THREAD_SETMEM (pd, pid, selftid); } +#if __ASSUME_TGKILL + return INLINE_SYSCALL (tgkill, 3, THREAD_GETMEM (pd, pid), selftid, sig); +#else +# ifdef __NR_tgkill + int res = INLINE_SYSCALL (tgkill, 3, THREAD_GETMEM (pd, pid), selftid, sig); + if (res != -1 || errno != ENOSYS) + return res; +# endif return INLINE_SYSCALL (tkill, 2, selftid, sig); +#endif } libc_hidden_def (raise) weak_alias (raise, gsignal) |