# HG changeset patch
# User Ian Gudger <igudger@google.com>
# Date 1529449008 25200
# Tue Jun 19 15:56:48 2018 -0700
# Node ID 9427538acbc50142afbe91a11a1d4f907a00d257
# Parent 118885f7a5774962f1145693d9c26a4c199ca6ea
Core: remove unused FIOASYNC.

FIOASYNC, F_SETOWN and SIGIO seem to no longer serve any function.

diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
--- a/src/os/unix/ngx_process.c
+++ b/src/os/unix/ngx_process.c
@@ -71,8 +71,6 @@ ngx_signal_t signals[] = {

{ SIGINT, "SIGINT", "", ngx_signal_handler },

- { SIGIO, "SIGIO", "", ngx_signal_handler },
-
{ SIGCHLD, "SIGCHLD", "", ngx_signal_handler },

{ SIGSYS, "SIGSYS, SIG_IGN", "", NULL },
@@ -87,7 +85,6 @@ ngx_pid_t
ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
char *name, ngx_int_t respawn)
{
- u_long on;
ngx_pid_t pid;
ngx_int_t s;

@@ -142,21 +139,6 @@ ngx_spawn_process(ngx_cycle_t *cycle, ng
return NGX_INVALID_PID;
}

- on = 1;
- if (ioctl(ngx_processes[s].channel[0], FIOASYNC, &on) == -1) {
- ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
- "ioctl(FIOASYNC) failed while spawning
\"%s\"", name);
- ngx_close_channel(ngx_processes[s].channel, cycle->log);
- return NGX_INVALID_PID;
- }
-
- if (fcntl(ngx_processes[s].channel[0], F_SETOWN, ngx_pid) == -1) {
- ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
- "fcntl(F_SETOWN) failed while spawning
\"%s\"", name);
- ngx_close_channel(ngx_processes[s].channel, cycle->log);
- return NGX_INVALID_PID;
- }
-
if (fcntl(ngx_processes[s].channel[0], F_SETFD, FD_CLOEXEC) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
"fcntl(FD_CLOEXEC) failed while spawning \"%s\"",
@@ -394,10 +376,6 @@ ngx_signal_handler(int signo, siginfo_t
ngx_sigalrm = 1;
break;

- case SIGIO:
- ngx_sigio = 1;
- break;
-
case SIGCHLD:
ngx_reap = 1;
break;
@@ -433,8 +411,6 @@ ngx_signal_handler(int signo, siginfo_t

case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
- case SIGIO:
- action = ", ignoring";
break;
}

diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
--- a/src/os/unix/ngx_process_cycle.c
+++ b/src/os/unix/ngx_process_cycle.c
@@ -34,7 +34,6 @@ ngx_pid_t ngx_pid;
ngx_pid_t ngx_parent;

sig_atomic_t ngx_reap;
-sig_atomic_t ngx_sigio;
sig_atomic_t ngx_sigalrm;
sig_atomic_t ngx_terminate;
sig_atomic_t ngx_quit;
@@ -88,7 +87,6 @@ ngx_master_process_cycle(ngx_cycle_t *cy
sigemptyset(&set);
sigaddset(&set, SIGCHLD);
sigaddset(&set, SIGALRM);
- sigaddset(&set, SIGIO);
sigaddset(&set, SIGINT);
sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
diff --git a/src/os/unix/ngx_process_cycle.h b/src/os/unix/ngx_process_cycle.h
--- a/src/os/unix/ngx_process_cycle.h
+++ b/src/os/unix/ngx_process_cycle.h
@@ -47,7 +47,6 @@ extern ngx_uint_t ngx_daemonized;
extern ngx_uint_t ngx_exiting;

extern sig_atomic_t ngx_reap;
-extern sig_atomic_t ngx_sigio;
extern sig_atomic_t ngx_sigalrm;
extern sig_atomic_t ngx_quit;
extern sig_atomic_t ngx_debug_quit;
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