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core-util: set_scheduler: check for RLIMIT_RTTIME

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set_scheduler() assumes that if sys/resource.h was found then we will
find RLIMIT_RTTIME there, but this is a non-POSIX extension on Linux.

Change the check to ensure that RLIMIT_RTTIME is actually defined.
Linux indeed defines this as a macro, and POSIX specifies that the other
RLIMIT_ constants must be macros, so having this as an #ifdef seems
correct.
This commit is contained in:
Ryan Lortie 2013-12-10 13:27:52 -05:00 • committed by Tanu Kaskinen
parent 1588212d5a
commit 6f954c7674
1 changed files with 2 additions and 2 deletions
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4
src/pulsecore/core-util.c
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@ -707,7 +707,7 @@ static int set_scheduler(int rtprio) {
#ifdef HAVE_DBUS #ifdef HAVE_DBUS
int r; int r;
long long rttime; long long rttime;
#ifdef HAVE_SYS_RESOURCE_H #ifdef RLIMIT_RTTIME
struct rlimit rl; struct rlimit rl;
#endif #endif
DBusError error; DBusError error;
@ -749,7 +749,7 @@ static int set_scheduler(int rtprio) {
rttime = rtkit_get_rttime_usec_max(bus); rttime = rtkit_get_rttime_usec_max(bus);
if (rttime >= 0) { if (rttime >= 0) {
#ifdef HAVE_SYS_RESOURCE_H #ifdef RLIMIT_RTTIME
r = getrlimit(RLIMIT_RTTIME, &rl); r = getrlimit(RLIMIT_RTTIME, &rl);
if (r >= 0 && (long long) rl.rlim_max > rttime) { if (r >= 0 && (long long) rl.rlim_max > rttime) {