4.104.114.84.95
Last change
on this file since aaf6063 was
f42b726,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/24/01 at 14:17:28
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2001-01-24 Ralf Corsepius <corsepiu@…>
- configure.in: Add src/config.h
- src/Makefile.am: Add INCLUDES += -I. to pickup config.h
- src/.cvsignore: Add config.h and stamp-h
- src/*.c: Add config.h support.
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-
Property mode set to
100644
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File size:
1.5 KB
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1 | /* |
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2 | * 3.3.5 Examine and Change Blocked Signals, P1003.1b-1993, p. 73 |
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3 | * |
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4 | * NOTE: P1003.1c/D10, p. 37 adds pthread_sigmask(). |
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5 | * |
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6 | * COPYRIGHT (c) 1989-1999. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.OARcorp.com/rtems/license.html. |
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12 | * |
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13 | * $Id$ |
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14 | */ |
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15 | |
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16 | #if HAVE_CONFIG_H |
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17 | #include "config.h" |
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18 | #endif |
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19 | |
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20 | #include <pthread.h> |
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21 | #include <signal.h> |
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22 | #include <errno.h> |
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23 | |
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24 | #include <rtems/system.h> |
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25 | #include <rtems/posix/pthread.h> |
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26 | #include <rtems/posix/psignal.h> |
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27 | #include <rtems/seterr.h> |
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28 | |
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29 | int pthread_sigmask( |
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30 | int how, |
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31 | const sigset_t *set, |
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32 | sigset_t *oset |
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33 | ) |
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34 | { |
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35 | POSIX_API_Control *api; |
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36 | |
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37 | if ( !set && !oset ) |
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38 | set_errno_and_return_minus_one( EINVAL ); |
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39 | |
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40 | api = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; |
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41 | |
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42 | if ( oset ) |
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43 | *oset = api->signals_blocked; |
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44 | |
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45 | if ( !set ) |
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46 | return 0; |
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47 | |
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48 | switch ( how ) { |
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49 | case SIG_BLOCK: |
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50 | api->signals_blocked |= *set; |
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51 | break; |
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52 | case SIG_UNBLOCK: |
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53 | api->signals_blocked &= ~*set; |
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54 | break; |
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55 | case SIG_SETMASK: |
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56 | api->signals_blocked = *set; |
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57 | break; |
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58 | default: |
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59 | set_errno_and_return_minus_one( EINVAL ); |
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60 | } |
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61 | |
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62 | /* XXX are there critical section problems here? */ |
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63 | |
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64 | /* XXX evaluate the new set */ |
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65 | |
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66 | if ( ~api->signals_blocked & |
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67 | (api->signals_pending | _POSIX_signals_Pending) ) { |
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68 | _Thread_Executing->do_post_task_switch_extension = TRUE; |
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69 | _Thread_Dispatch(); |
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70 | } |
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71 | |
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72 | return 0; |
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73 | } |
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