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Code Issues Releases Wiki Activity

Fixed handling detached processes in SystemExec()

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This commit is contained in:
Klaus Schmidinger 2007-06-17 12:45:57 +02:00
parent 3ad941de73
commit efbb48dbaf
3 changed files with 8 additions and 2 deletions
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1
CONTRIBUTORS
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@ -1497,6 +1497,7 @@ Udo Richter <udo_richter@gmx.de>
up at a particular time up at a particular time
for making the HUP signal force a restart of VDR for making the HUP signal force a restart of VDR
for fixing a race condition with signal handlers at program exit for fixing a race condition with signal handlers at program exit
for fixing handling detached processes in SystemExec()
Sven Kreiensen <svenk@kammer.uni-hannover.de> Sven Kreiensen <svenk@kammer.uni-hannover.de>
for his help in keeping 'channels.conf.terr' up to date for his help in keeping 'channels.conf.terr' up to date

1
HISTORY
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@ -5251,3 +5251,4 @@ Video Disk Recorder Revision History
- Updated the Finnish OSD texts (thanks to Rolf Ahrenberg). - Updated the Finnish OSD texts (thanks to Rolf Ahrenberg).
- Changed the parameter "OSD font" to "Default font" in "Setup/OSD" (suggested - Changed the parameter "OSD font" to "Default font" in "Setup/OSD" (suggested
by Rolf Ahrenberg). by Rolf Ahrenberg).
- Fixed handling detached processes in SystemExec() (thanks to Udo Richter).

8
thread.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: thread.c 1.60 2007/02/24 16:13:33 kls Exp $ * $Id: thread.c 1.61 2007/06/17 12:43:40 kls Exp $
*/ */
#include "thread.h" #include "thread.h"
@ -12,6 +12,7 @@
#include <linux/unistd.h> #include <linux/unistd.h>
#include <malloc.h> #include <malloc.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdlib.h>
#include <sys/resource.h> #include <sys/resource.h>
#include <sys/syscall.h> #include <sys/syscall.h>
#include <sys/time.h> #include <sys/time.h>
@ -507,7 +508,7 @@ int SystemExec(const char *Command, bool Detached)
if (pid > 0) { // parent process if (pid > 0) { // parent process
int status = 0; int status = 0;
if (!Detached && waitpid(pid, &status, 0) < 0) { if (waitpid(pid, &status, 0) < 0) {
LOG_ERROR; LOG_ERROR;
return -1; return -1;
} }
@ -515,6 +516,9 @@ int SystemExec(const char *Command, bool Detached)
} }
else { // child process else { // child process
if (Detached) { if (Detached) {
// Fork again and let first child die - grandchild stays alive without parent
if (fork() > 0)
exit(0);
// Start a new session // Start a new session
pid_t sid = setsid(); pid_t sid = setsid();
if (sid < 0) if (sid < 0)