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sigwinch test

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Arun Prakash Jana 2021-06-18 03:46:50 +05:30
parent 239c7e7970
commit 640a56e1cc
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1 changed files with 4 additions and 1 deletions
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src/nnn.c
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@ -467,6 +467,7 @@ static thread_data *core_data;
/* Retain old signal handlers */ /* Retain old signal handlers */
static struct sigaction oldsighup; static struct sigaction oldsighup;
static struct sigaction oldsigtstp; static struct sigaction oldsigtstp;
static struct sigaction oldsigwinch;
/* For use in functions which are isolated and don't return the buffer */ /* For use in functions which are isolated and don't return the buffer */
static char g_buf[CMD_LEN_MAX] __attribute__ ((aligned)); static char g_buf[CMD_LEN_MAX] __attribute__ ((aligned));
@ -1999,6 +2000,7 @@ static pid_t xfork(uchar_t flag)
/* the parent ignores the interrupt, quit and hangup signals */ /* the parent ignores the interrupt, quit and hangup signals */
sigaction(SIGHUP, &(struct sigaction){.sa_handler = SIG_IGN}, &oldsighup); sigaction(SIGHUP, &(struct sigaction){.sa_handler = SIG_IGN}, &oldsighup);
sigaction(SIGTSTP, &(struct sigaction){.sa_handler = SIG_DFL}, &oldsigtstp); sigaction(SIGTSTP, &(struct sigaction){.sa_handler = SIG_DFL}, &oldsigtstp);
sigaction(SIGWINCH, &(struct sigaction){.sa_handler = SIG_IGN}, &oldsigwinch);
} else if (p == 0) { } else if (p == 0) {
/* We create a grandchild to detach */ /* We create a grandchild to detach */
if (flag & F_NOWAIT) { if (flag & F_NOWAIT) {
@ -2047,6 +2049,7 @@ static int join(pid_t p, uchar_t flag)
/* restore parent's signal handling */ /* restore parent's signal handling */
sigaction(SIGHUP, &oldsighup, NULL); sigaction(SIGHUP, &oldsighup, NULL);
sigaction(SIGTSTP, &oldsigtstp, NULL); sigaction(SIGTSTP, &oldsigtstp, NULL);
sigaction(SIGWINCH, &oldsigwinch, NULL);
return status; return status;
} }
@ -8126,7 +8129,7 @@ int main(int argc, char *argv[])
act.sa_handler = SIG_IGN; act.sa_handler = SIG_IGN;
if (sigaction(SIGQUIT, &act, NULL) < 0 || sigaction(SIGWINCH, &act, NULL) < 0) { if (sigaction(SIGQUIT, &act, NULL) < 0) {
xerror(); xerror();
return EXIT_FAILURE; return EXIT_FAILURE;
} }