diff options
Diffstat (limited to 'nuttx/sched/sig_received.c')
| -rw-r--r-- | nuttx/sched/sig_received.c | 65 |
1 files changed, 32 insertions, 33 deletions
diff --git a/nuttx/sched/sig_received.c b/nuttx/sched/sig_received.c index 8856cd0f6f..775d36df1e 100644 --- a/nuttx/sched/sig_received.c +++ b/nuttx/sched/sig_received.c @@ -1,7 +1,7 @@ -/************************************************************ - * sig_received.c +/************************************************************************ + * sched/sig_received.c * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -14,7 +14,7 @@ * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. - * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * @@ -31,15 +31,14 @@ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Included Files - ************************************************************/ + ************************************************************************/ #include <nuttx/config.h> -#include <sys/types.h> #include <string.h> #include <signal.h> #include <unistd.h> @@ -52,33 +51,33 @@ #include "sig_internal.h" #include "mq_internal.h" -/************************************************************ +/************************************************************************ * Definitions - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Private Type Declarations - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Global Variables - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Private Variables - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Private Functions - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Function: sig_queueaction * * Description: * Queue a signal action for delivery to a task. * - ************************************************************/ + ************************************************************************/ static int sig_queueaction(FAR _TCB *stcb, siginfo_t *info) { @@ -125,13 +124,13 @@ static int sig_queueaction(FAR _TCB *stcb, siginfo_t *info) return ret; } -/************************************************************ +/************************************************************************ * Function: sig_findpendingsignal * * Description: * Find a specified element in the pending signal list * - ************************************************************/ + ************************************************************************/ static FAR sigpendq_t *sig_findpendingsignal(FAR _TCB *stcb, int signo) { @@ -157,13 +156,13 @@ static FAR sigpendq_t *sig_findpendingsignal(FAR _TCB *stcb, int signo) return sigpend; } -/************************************************************ +/************************************************************************ * Function: sig_allocatependingsignal * * Description: * Allocate a pending signal list entry * - ************************************************************/ + ************************************************************************/ static FAR sigpendq_t *sig_allocatependingsignal(void) { @@ -219,7 +218,7 @@ static FAR sigpendq_t *sig_allocatependingsignal(void) return sigpend; } -/************************************************************ +/************************************************************************ * Function: sig_addpendingsignal * * Description: @@ -227,7 +226,7 @@ static FAR sigpendq_t *sig_allocatependingsignal(void) * NOTE: This function will queue only one entry for each * pending signal. This was done intentionally so that a * run-away sender cannot consume all of memory. - ************************************************************/ + ************************************************************************/ static FAR sigpendq_t *sig_addpendingsignal(FAR _TCB *stcb, siginfo_t *info) { @@ -268,11 +267,11 @@ static FAR sigpendq_t *sig_addpendingsignal(FAR _TCB *stcb, siginfo_t *info) return sigpend; } -/************************************************************ +/************************************************************************ * Public Functions - ************************************************************/ + ************************************************************************/ -/************************************************************ +/************************************************************************ * Function: sig_received * * Description: @@ -285,7 +284,7 @@ static FAR sigpendq_t *sig_addpendingsignal(FAR _TCB *stcb, siginfo_t *info) * - Unblocking tasks that are waiting for signals * - Queuing pending signals. * - ************************************************************/ + ************************************************************************/ int sig_received(FAR _TCB *stcb, siginfo_t *info) { @@ -300,7 +299,7 @@ int sig_received(FAR _TCB *stcb, siginfo_t *info) { ret = OK; - /****** MASKED SIGNAL HANDLING ******/ + /****************** MASKED SIGNAL HANDLING ******************/ /* Check if the signal is masked -- if it is, it will be added to the * list of pending signals. @@ -337,7 +336,7 @@ int sig_received(FAR _TCB *stcb, siginfo_t *info) } } - /****** UNMASKED SIGNAL HANDLING ******/ + /****************** UNMASKED SIGNAL HANDLING ******************/ else { @@ -370,7 +369,7 @@ int sig_received(FAR _TCB *stcb, siginfo_t *info) * simply to ignore the signal */ - /****** OTHER SIGNAL HANDLING ******/ + /****************** OTHER SIGNAL HANDLING ******************/ /* If the task is blocked waiting for a semaphore, then that * task must be unblocked when a signal is received. |