diff options
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/Makefile | 16 | ||||
| -rw-r--r-- | posix/getconf.c | 16 | ||||
| -rw-r--r-- | posix/sched.h | 72 | ||||
| -rw-r--r-- | posix/unistd.h | 26 |
4 files changed, 120 insertions, 10 deletions
diff --git a/posix/Makefile b/posix/Makefile index 052c17c21c..8c7ac92bc4 100644 --- a/posix/Makefile +++ b/posix/Makefile @@ -21,10 +21,11 @@ # subdir := posix -headers := sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h \ - glob.h regex.h wordexp.h fnmatch.h gnu/types.h getopt.h \ - posix1_lim.h posix2_lim.h posix_opt.h local_lim.h tar.h \ - utsnamelen.h confname.h waitflags.h waitstatus.h sys/unistd.h +headers := sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h \ + glob.h regex.h wordexp.h fnmatch.h gnu/types.h getopt.h \ + posix1_lim.h posix2_lim.h posix_opt.h local_lim.h tar.h \ + utsnamelen.h confname.h waitflags.h waitstatus.h sys/unistd.h \ + sched.h distribute := confstr.h @@ -32,7 +33,7 @@ routines := \ uname \ times \ wait waitpid wait3 wait4 \ - alarm sleep pause \ + alarm sleep pause nanosleep \ fork vfork _exit \ execve fexecve execv execle execl execvp execlp \ getpid getppid \ @@ -42,7 +43,10 @@ routines := \ pathconf sysconf fpathconf \ glob fnmatch regex \ confstr \ - getopt getopt1 + getopt getopt1 \ + sched_setp sched_getp sched_sets sched_gets sched_yield sched_primax \ + sched_primin sched_rr_gi + aux := init-posix environ tests := tstgetopt testfnm others := getconf diff --git a/posix/getconf.c b/posix/getconf.c index 7423a77225..bf13fb447d 100644 --- a/posix/getconf.c +++ b/posix/getconf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -49,6 +49,20 @@ static struct conf vars[] = { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF }, { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF }, { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF }, + { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF }, + { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF }, + { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF }, + { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF }, + { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF }, + { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF }, + { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF }, + { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF }, + { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF }, + { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF }, + { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF }, + { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF }, + { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF }, + { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF }, { "_POSIX_VERSION", _SC_VERSION, SYSCONF }, { "PATH", _CS_PATH, CONFSTR }, diff --git a/posix/sched.h b/posix/sched.h new file mode 100644 index 0000000000..026a5e2f20 --- /dev/null +++ b/posix/sched.h @@ -0,0 +1,72 @@ +/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface. +Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#ifndef _SCHED_H +#define _SCHED_H 1 + +#include <features.h> + +/* Get type definitions. */ +#include <gnu/types.h> +#include <sys/time.h> /* for struct timespec */ + +/* Get system specific constant and data structure definitions. */ +#include <schedbits.h> + +__BEGIN_DECLS + +/* Set scheduling parameters for a process. */ +extern int __sched_setparam __P ((__pid_t __pid, + __const struct sched_param *__param)); +extern int sched_setparam __P ((__pid_t __pid, + __const struct sched_param *__param)); + +/* Retrieve scheduling parameters for a particular process. */ +extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param)); +extern int sched_getparam __P ((__pid_t __pid, struct sched_param *__param)); + +/* Set scheduling algorithm and/or parameters for a process. */ +extern int __sched_setscheduler __P ((__pid_t __pid, int __policy, + __const struct sched_param *__param)); +extern int sched_setscheduler __P ((__pid_t __pid, int __policy, + __const struct sched_param *__param)); + +/* Retrieve scheduling algorithm for a particular purpose. */ +extern int __sched_getscheduler __P ((__pid_t __pid)); +extern int sched_getscheduler __P ((__pid_t __pid)); + +/* Yield the processor. */ +extern int __sched_yield __P ((void)); +extern int sched_yield __P ((void)); + +/* Get maximum priority value for a scheduler. */ +extern int __sched_get_priority_max __P ((int __algorithm)); +extern int sched_get_priority_max __P ((int __algorithm)); + +/* Get minimum priority value for a scheduler. */ +extern int __sched_get_priority_min __P ((int __algorithm)); +extern int sched_get_priority_min __P ((int __algorithm)); + +/* Get the SCHED_RR interval for the named process. */ +extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t)); +extern int sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t)); + +__END_DECLS + +#endif /* sched.h */ diff --git a/posix/unistd.h b/posix/unistd.h index 0fc3d7bb92..6818699104 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -61,9 +61,23 @@ __BEGIN_DECLS always available. If not, they may be available sometimes. The current values can be obtained with `sysconf'. - _POSIX_JOB_CONTROL Job control is supported. - _POSIX_SAVED_IDS Processes have a saved set-user-ID - and a saved set-group-ID. + _POSIX_JOB_CONTROL Job control is supported. + _POSIX_SAVED_IDS Processes have a saved set-user-ID + and a saved set-group-ID. + _POSIX_REALTIME_SIGNALS Real-time, queued signals are supported. + _POSIX_PRIORITY_SCHEDULING Priority scheduling is supported. + _POSIX_TIMERS POSIX.4 clocks and timers are supported. + _POSIX_ASYNCHRONOUS_IO Asynchronous I/O is supported. + _POSIX_PRIORITIZED_IO Prioritized asynchronous I/O is supported. + _POSIX_SYNCHRONIZED_IO Synchronizing file data is supported. + _POSIX_FSYNC The fsync function is present. + _POSIX_MAPPED_FILES Mapping of files to memory is supported. + _POSIX_MEMLOCK Locking of all memory is supported. + _POSIX_MEMLOCK_RANGE Locking of ranges of memory is supported. + _POSIX_MEMORY_PROTECTION Setting of memory protections is supported. + _POSIX_MESSAGE_PASSING POSIX.4 message queues are supported. + _POSIX_SEMAPHORES POSIX.4 counting semaphores are supported. + _POSIX_SHARED_MEMORY_OBJECTS POSIX.4 shared memory objects are supported. If any of these symbols is defined as -1, the corresponding option is not true for any file. If any is defined as other than -1, the corresponding @@ -732,6 +746,12 @@ extern int lockf __P ((int __fd, int __cmd, __off_t __len)); #endif +#ifdef __USE_POSIX +/* Synchronize at least the data part of a file with the underlying + media. */ +extern int fdatasync __P ((int __fildes)); +#endif /* Use POSIX */ + __END_DECLS #endif /* unistd.h */ |