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spawn: add optional reaper callback, return pid_t

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This will allow spawn() callers to do things when the spawned process
has terminated.
This commit is contained in:
Daniel Eklöf 2024-07-23 06:57:30 +02:00
parent 57af75f988
commit a42f990818
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GPG key ID: 5BBD4992C116573F
6 changed files with 26 additions and 19 deletions
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14
spawn.c
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@ -15,9 +15,9 @@
#include "debug.h"
#include "xmalloc.h"
bool
pid_t
spawn(struct reaper *reaper, const char *cwd, char *const argv[],
int stdin_fd, int stdout_fd, int stderr_fd,
int stdin_fd, int stdout_fd, int stderr_fd, reaper_cb cb, void *cb_data,
const char *xdg_activation_token)
{
int pipe_fds[2] = {-1, -1};
@ -104,16 +104,16 @@ spawn(struct reaper *reaper, const char *cwd, char *const argv[],
close(pipe_fds[0]);
if (ret == 0) {
reaper_add(reaper, pid, NULL, NULL);
return true;
reaper_add(reaper, pid, cb, cb_data);
return pid;
} else if (ret < 0) {
LOG_ERRNO("failed to read from pipe");
return false;
return -1;
} else {
LOG_ERRNO_P(errno_copy, "%s: failed to spawn", argv[0]);
errno = errno_copy;
waitpid(pid, NULL, 0);
return false;
return -1;
}
err:
@ -121,7 +121,7 @@ err:
close(pipe_fds[0]);
if (pipe_fds[1] != -1)
close(pipe_fds[1]);
return false;
return -1;
}
bool