diff options
Diffstat (limited to 'pd/src/s_mac.c')
| -rw-r--r-- | pd/src/s_mac.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/pd/src/s_mac.c b/pd/src/s_mac.c index a36f192a..9d3c1543 100644 --- a/pd/src/s_mac.c +++ b/pd/src/s_mac.c @@ -303,16 +303,37 @@ void sys_poll_midi(void) } } +#if defined(_POSIX_PRIORITY_SCHEDULING) || defined(_POSIX_MEMLOCK) +#include <sched.h> +#endif + void sys_set_priority(int higher) { +#ifdef _POSIX_PRIORITY_SCHEDULING + struct sched_param par; + int p1 ,p2, p3; + p1 = sched_get_priority_min(SCHED_FIFO); + p2 = sched_get_priority_max(SCHED_FIFO); + p3 = (higher ? p2 - 1 : p2 - 3); + par.sched_priority = p3; + if (sched_setscheduler(0,SCHED_FIFO,&par) != -1) + fprintf(stderr, "priority %d scheduling enabled.\n", p3); +#else /* no priority scheduling, so renice and wish for something better */ int retval; errno = 0; retval = setpriority(PRIO_PROCESS, 0, (higher? -20 : -19)); if (retval == -1 & errno != 0) { perror("setpriority"); - fprintf(stderr, "priority bost faled.\n"); + fprintf(stderr, "priority boost faled.\n"); } +#endif + +#ifdef _POSIX_MEMLOCK + if (mlockall(MCL_FUTURE) != -1) + fprintf(stderr, "memory locking enabled.\n"); +#endif + } void sys_listdevs(void ) |