fdo-mirrors/plymouth
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/plymouth/plymouth.git synced 2026-05-08 22:58:17 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

utils: Improve debug spew in ply_create_daemon

Browse source 
Right now if plymouthd dies while daemonizing, we show a horrible
error message on the console:

could not read byte from child: Success

This commit mops that up, so we give a little clue why plymouthd's
child process died in its infancy.
This commit is contained in:
Ray Strode 2010-09-16 21:10:01 -04:00
parent b7c7bdbf76
commit 7e6bc5ac63
1 changed files with 15 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/libply/ply-utils.c
View file

@ -41,6 +41,7 @@
#include <sys/types.h>
#include <sys/un.h>
#include <sys/user.h>
#include <sys/wait.h>
#include <time.h>
#include <linux/fs.h>
#include <linux/vt.h>
@ -846,7 +847,20 @@ ply_create_daemon (const char *pid_file)
if (!ply_read (receiver_fd, &byte, sizeof (uint8_t)))
{
ply_error ("could not read byte from child: %m");
int status;
if (waitpid (pid, &status, WNOHANG) <= 0)
{
ply_error ("failed to read status from child immediately after starting to daemonize");
}
else if (WIFEXITED (status))
{
ply_error ("unexpectedly exited with status %d immediately after starting to daemonize", (int) WEXITSTATUS (status));
}
else if (WIFSIGNALED (status))
{
ply_error ("unexpectedly died from signal %s immediately after starting to daemonize", strsignal (WTERMSIG (status)));
}
_exit (1);
}