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system() is supposed to return a waitpid() style exit status value. 

wait_for_thread() doesn't provide that; use waitpid() instead.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28479 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-11-03 16:35:09 +00:00
parent 44e4ddfdc1
commit 3cbd4a09f7
1 changed files with 19 additions and 17 deletions
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36
src/system/libroot/posix/unistd/system.cpp
View File

@ -1,14 +1,14 @@
/*
** Copyright 2004, Ingo Weinhold, bonefish@cs.tu-berlin.de. All rights reserved.
** Distributed under the terms of the Haiku License.
*/
/*
* Copyright 2004-2008, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#include <image.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
extern "C" int
@ -26,15 +26,17 @@ system(const char *command)
return -1;
}
status_t returnValue;
status_t error;
do {
error = wait_for_thread(thread, &returnValue);
} while (error == B_INTERRUPTED);
if (error != B_OK) {
errno = error;
return -1;
resume_thread(thread);
int exitStatus;
pid_t result;
while ((result = waitpid(thread, &exitStatus, 0)) < 0
&& errno == B_INTERRUPTED) {
// waitpid() was interrupted by a signal, retry...
}
return returnValue;
if (result < 0)
return -1;
return exitStatus;
}