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Fix encoder getting stuck on OS-X

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Main thread was stuck looping on pthread_cond_timedwait because
the abs time given on OS-X had already passed and the wait
returned immediately without releasing the mutex to allow worker
threads to proceed.

Fix was to use the gettimeofday, which returns real time instead
of monotonic, which is what pthread_cond_timedwait wants.
This commit is contained in:
Ari Koivula 2017-02-02 17:08:10 +02:00
parent 4ceda1908b
commit d893474bab
1 changed files with 9 additions and 12 deletions
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21
src/threads.h
View file

@ -42,19 +42,16 @@
#ifdef __MACH__
// Workaround Mac OS not having clock_gettime.
#include <mach/clock.h> // IWYU pragma: export
#include <mach/mach.h> // IWYU pragma: export
#define KVZ_GET_TIME(clock_t) { \
clock_serv_t cclock; \
mach_timespec_t mts; \
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock); \
clock_get_time(cclock, &mts); \
mach_port_deallocate(mach_task_self(), cclock); \
(clock_t)->tv_sec = mts.tv_sec; \
(clock_t)->tv_nsec = mts.tv_nsec; \
}
// This needs to work with pthread_cond_timedwait.
# include <sys/time.h>
# define KVZ_GET_TIME(clock_t) { \
struct timeval tv; \
gettimeofday(&tv, NULL); \
(clock_t)->tv_sec = tv.tv_sec; \
(clock_t)->tv_nsec = tv.tv_usec * 1000; \
}
#else
#define KVZ_GET_TIME(clock_t) { clock_gettime(CLOCK_MONOTONIC, (clock_t)); }
# define KVZ_GET_TIME(clock_t) { clock_gettime(CLOCK_MONOTONIC, (clock_t)); }
#endif
#define KVZ_CLOCK_T_AS_DOUBLE(ts) ((double)((ts).tv_sec) + (double)((ts).tv_nsec) / 1e9)