haiku/headers/private/shared/syscall_utils.h
Ingo Weinhold 24df65921b Merged signals-merge branch into trunk with the following changes:
* Reorganized the kernel locking related to threads and teams.
* We now discriminate correctly between process and thread signals. Signal
  handlers have been moved to teams. Fixes #5679.
* Implemented real-time signal support, including signal queuing, SA_SIGINFO
  support, sigqueue(), sigwaitinfo(), sigtimedwait(), waitid(), and the addition
  of the real-time signal range. Closes #1935 and #2695.
* Gave SIGBUS a separate signal number. Fixes #6704.
* Implemented <time.h> clock and timer support, and fixed/completed alarm() and
  [set]itimer(). Closes #5682.
* Implemented support for thread cancellation. Closes #5686.
* Moved send_signal() from <signal.h> to <OS.h>. Fixes #7554.
* Lots over smaller more or less related changes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42116 a95241bf-73f2-0310-859d-f6bbb57e9c96
2011-06-12 00:00:23 +00:00

39 lines
845 B
C

/*
* Copyright 2008-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYSCALL_UTILS_H
#define _SYSCALL_UTILS_H
#define RETURN_AND_SET_ERRNO(err) \
do { \
__typeof(err) __result = (err); \
if (__result < 0) { \
errno = __result; \
return -1; \
} \
return __result; \
} while (0)
#define RETURN_AND_TEST_CANCEL(err) \
do { \
__typeof(err) __result = (err); \
pthread_testcancel(); \
return __result; \
} while (0)
#define RETURN_AND_SET_ERRNO_TEST_CANCEL(err) \
do { \
__typeof(err) __result = (err); \
pthread_testcancel(); \
if (__result < 0) { \
errno = __result; \
return -1; \
} \
return __result; \
} while (0)
#endif // _SYSCALL_UTILS_H