diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/raise.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/raise.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/raise.c b/nptl/sysdeps/unix/sysv/linux/raise.c index 268ba87b29..ac54fa217e 100644 --- a/nptl/sysdeps/unix/sysv/linux/raise.c +++ b/nptl/sysdeps/unix/sysv/linux/raise.c @@ -44,17 +44,19 @@ raise (sig) #endif THREAD_SETMEM (pd, tid, selftid); +#if __ASSUME_TGKILL || defined __NR_tgkill /* We do not set the PID field in the TID here since we might be called from a signal handler while the thread executes fork. */ pid = selftid; +#endif } #if __ASSUME_TGKILL || defined __NR_tgkill else /* raise is an async-safe function. It could be called while the fork function temporarily invalidated the PID field. Adjust for that. */ - if (__builtin_expect (pid < 0, 0)) - pid = -pid; + if (__builtin_expect (pid <= 0, 0)) + pid = pid == 0 ? selftid : -pid; #endif #if __ASSUME_TGKILL |