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Valgrind: sigaction() failure now ignored.

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Valgrind intercepts SIGUSR2 in some cases, and nginx might not be able to
start due to sigaction() failure.  If compiled with NGX_VALGRIND defined,
we now ignore the failure of sigaction().
This commit is contained in:
Maxim Dounin 2013-06-05 19:44:20 +04:00
parent f6650479c3
commit 6b95320cf7
1 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/os/unix/ngx_process.c
View file

@ -291,9 +291,14 @@ ngx_init_signals(ngx_log_t *log)
sa.sa_handler = sig->handler;
sigemptyset(&sa.sa_mask);
if (sigaction(sig->signo, &sa, NULL) == -1) {
#if (NGX_VALGRIND)
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
"sigaction(%s) failed, ignored", sig->signame);
#else
ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
"sigaction(%s) failed", sig->signame);
return NGX_ERROR;
#endif
}
}