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Allocate rtsigs from back to front, to avoid clashes with other libraries makeing use of rtsigs

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1913 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-28 12:52:47 +00:00
parent df33b4c7b3
commit 3cdff5f3cc
1 changed files with 13 additions and 12 deletions
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13
src/pulsecore/rtsig.c
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@ -54,13 +54,13 @@ int pa_rtsig_get(void) {
if ((p = pa_flist_pop(PA_STATIC_FLIST_GET(rtsig_flist)))) if ((p = pa_flist_pop(PA_STATIC_FLIST_GET(rtsig_flist))))
return PA_PTR_TO_INT(p); return PA_PTR_TO_INT(p);
sig = pa_atomic_inc(&rtsig_current); sig = pa_atomic_dec(&rtsig_current);
pa_assert(sig >= SIGRTMIN); pa_assert(sig <= SIGRTMAX);
pa_assert(sig >= rtsig_start); pa_assert(sig <= rtsig_end);
if (sig > rtsig_end) { if (sig < rtsig_start) {
pa_atomic_dec(&rtsig_current); pa_atomic_inc(&rtsig_current);
return -1; return -1;
} }
@ -108,5 +108,6 @@ void pa_rtsig_configure(int start, int end) {
pa_assert(pthread_sigmask(SIG_BLOCK, &ss, NULL) == 0); pa_assert(pthread_sigmask(SIG_BLOCK, &ss, NULL) == 0);
pa_atomic_store(&rtsig_current, rtsig_start); /* We allocate starting from the end */
pa_atomic_store(&rtsig_current, rtsig_end);
} }