diff options
Diffstat (limited to 'nuttx/sched/sched_rrgetinterval.c')
| -rw-r--r-- | nuttx/sched/sched_rrgetinterval.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/nuttx/sched/sched_rrgetinterval.c b/nuttx/sched/sched_rrgetinterval.c index 114f36532..961c58ec5 100644 --- a/nuttx/sched/sched_rrgetinterval.c +++ b/nuttx/sched/sched_rrgetinterval.c @@ -2,7 +2,7 @@ * sched/sched_rrgetinterval.c * * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -38,10 +38,13 @@ ************************************************************************/ #include <nuttx/config.h> + #include <sys/types.h> #include <sched.h> #include <errno.h> + #include <nuttx/arch.h> + #include "os_internal.h" #include "clock_internal.h" @@ -77,21 +80,20 @@ * Name: sched_rr_get_interval * * Description: - * sched_rr_get_interval() writes the timeslice interval - * for task identified by 'pid' into the timespec structure - * pointed to by 'interval.' If pid is zero, the timeslice - * for the calling process is written into 'interval. The - * identified process should be running under the SCHED_RR - * scheduling policy.' + * sched_rr_get_interval() writes the timeslice interval for task + * identified by 'pid' into the timespec structure pointed to by + * 'interval.' If pid is zero, the timeslice for the calling process + * is written into 'interval. The identified process should be running + * under the SCHED_RRscheduling policy.' * * Inputs: - * pid - the task ID of the task. If pid is zero, the - * priority of the calling task is returned. + * pid - the task ID of the task. If pid is zero, the priority of the + * calling task is returned. * interval - a structure used to return the time slice * * Return Value: - * On success, sched_rr_get_interval() returns OK (0). On - * error, ERROR (-1) is returned, and errno is set to: + * On success, sched_rr_get_interval() returns OK (0). On error, + * ERROR (-1) is returned, and errno is set to: * * EFAULT -- Cannot copy to interval * EINVAL Invalid pid. @@ -107,8 +109,8 @@ int sched_rr_get_interval(pid_t pid, struct timespec *interval) #if CONFIG_RR_INTERVAL > 0 FAR _TCB *rrtcb; - /* If pid is zero, the timeslice for the calling process is - * written into 'interval.' + /* If pid is zero, the timeslice for the calling process is written + * into 'interval.' */ if (!pid) @@ -120,7 +122,7 @@ int sched_rr_get_interval(pid_t pid, struct timespec *interval) else if (pid < 0) { - *get_errno_ptr() = EINVAL; + set_errno(EINVAL); return ERROR; } @@ -131,14 +133,14 @@ int sched_rr_get_interval(pid_t pid, struct timespec *interval) rrtcb = sched_gettcb(pid); if (!rrtcb) { - *get_errno_ptr() = ESRCH; + set_errno(ESRCH); return ERROR; } } if (!interval) { - *get_errno_ptr() = EFAULT; + set_errno(EFAULT); return ERROR; } @@ -149,7 +151,7 @@ int sched_rr_get_interval(pid_t pid, struct timespec *interval) return OK; #else - *get_errno_ptr() = ENOSYS; + set_errno(ENOSYS); return ERROR; #endif } |