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Squashed commit of the following:

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sched/semaphore:  Add nxsem_post() which is identical to sem_post() except that it never modifies the errno variable.  Changed all references to sem_post in the OS to nxsem_post().

    sched/semaphore:  Add nxsem_destroy() which is identical to sem_destroy() except that it never modifies the errno variable.  Changed all references to sem_destroy() in the OS to nxsem_destroy().

    libc/semaphore and sched/semaphore:  Add nxsem_getprotocol() and nxsem_setprotocola which are identical to sem_getprotocol() and set_setprotocol() except that they never modifies the errno variable.  Changed all references to sem_setprotocol in the OS to nxsem_setprotocol().  sem_getprotocol() was not used in the OS
This commit is contained in:
Gregory Nutt
2017-10-03 15:35:24 -06:00
parent 83cdb0c552
commit 42a0796615
376 changed files with 1597 additions and 1314 deletions
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net/icmp/icmp_ping.c
+2 -2
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@@ -295,7 +295,7 @@ end_wait:
/* Wake up the waiting thread */
sem_post(&pstate->png_sem);
nxsem_post(&pstate->png_sem);
return flags;
}
@@ -366,7 +366,7 @@ int icmp_ping(in_addr_t addr, uint16_t id, uint16_t seqno, uint16_t datalen,
*/
nxsem_init(&state.png_sem, 0, 0);
sem_setprotocol(&state.png_sem, SEM_PRIO_NONE);
nxsem_setprotocol(&state.png_sem, SEM_PRIO_NONE);
state.png_ticks = DSEC2TICK(dsecs); /* System ticks to wait */
state.png_result = -ENOMEM; /* Assume allocation failure */