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opt: don't block cli when use mmsg spawn

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This commit is contained in:
DreamMaoMao 2026-05-26 18:45:14 +08:00
parent ba230febba
commit 9f1bbc6f70
1 changed files with 23 additions and 8 deletions
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31
src/dispatch/bind_define.h
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@ -909,9 +909,15 @@ int32_t spawn_shell(const Arg *arg) {
return 0;
if (fork() == 0) {
signal(SIGSEGV, SIG_IGN);
signal(SIGABRT, SIG_IGN);
signal(SIGILL, SIG_IGN);
signal(SIGSEGV, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGILL, SIG_DFL);
signal(SIGCHLD, SIG_DFL);
int fd_max = sysconf(_SC_OPEN_MAX);
for (int i = 3; i < fd_max; i++) {
close(i);
}
dup2(STDERR_FILENO, STDOUT_FILENO);
setsid();
@ -921,7 +927,7 @@ int32_t spawn_shell(const Arg *arg) {
wlr_log(WLR_DEBUG,
"mango: failed to execute command '%s' with shell: %s\n",
arg->v, strerror(errno));
(char *)arg->v, strerror(errno));
_exit(EXIT_FAILURE);
}
return 0;
@ -932,16 +938,25 @@ int32_t spawn(const Arg *arg) {
return 0;
if (fork() == 0) {
signal(SIGSEGV, SIG_IGN);
signal(SIGABRT, SIG_IGN);
signal(SIGILL, SIG_IGN);
signal(SIGSEGV, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGILL, SIG_DFL);
signal(SIGCHLD, SIG_DFL);
// close all file descriptors inherited from the parent process to
// prevent IPC handle leakage that can block clients
int fd_max = sysconf(_SC_OPEN_MAX);
for (int i = 3; i < fd_max; i++) {
close(i);
}
dup2(STDERR_FILENO, STDOUT_FILENO);
setsid();
wordexp_t p;
if (wordexp(arg->v, &p, 0) != 0) {
wlr_log(WLR_DEBUG, "mango: wordexp failed for '%s'\n", arg->v);
wlr_log(WLR_DEBUG, "mango: wordexp failed for '%s'\n",
(char *)arg->v);
_exit(EXIT_FAILURE);
}