diff options
Diffstat (limited to 'linuxthreads/sysdeps')
| -rw-r--r-- | linuxthreads/sysdeps/pthread/pthread.h | 56 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h | 5 |
2 files changed, 60 insertions, 1 deletions
diff --git a/linuxthreads/sysdeps/pthread/pthread.h b/linuxthreads/sysdeps/pthread/pthread.h index b62706a811..9f5e9deef2 100644 --- a/linuxthreads/sysdeps/pthread/pthread.h +++ b/linuxthreads/sysdeps/pthread/pthread.h @@ -119,6 +119,10 @@ typedef struct struct sched_param schedparam; int inheritsched; int scope; + size_t guardsize; + int stackaddr_set; + void *stackaddr; + size_t stacksize; } pthread_attr_t; enum @@ -272,6 +276,49 @@ extern int pthread_attr_setscope __P ((pthread_attr_t *__attr, int __scope)); extern int pthread_attr_getscope __P ((__const pthread_attr_t *__attr, int *__scope)); +#ifdef __USE_UNIX98 +/* Set the size of the guard area at the bottom of the thread. */ +extern int __pthread_attr_setguardsize __P ((pthread_attr_t *__attr, + size_t __guardsize)); +extern int pthread_attr_setguardsize __P ((pthread_attr_t *__attr, + size_t __guardsize)); + +/* Get the size of the guard area at the bottom of the thread. */ +extern int __pthread_attr_getguardsize __P ((__const pthread_attr_t *__attr, + size_t *__guardsize)); +extern int pthread_attr_getguardsize __P ((__const pthread_attr_t *__attr, + size_t *__guardsize)); + +/* Set the starting address of the stack of the thread to be created. + Depending on whether the stack grows up or doen the value must either + be higher or lower than all the address in the memory block. The + minimal size of the block must be PTHREAD_STACK_SIZE. */ +extern int __pthread_attr_setstackaddr __P ((pthread_attr_t *__attr, + void *__stackaddr)); +extern int pthread_attr_setstackaddr __P ((pthread_attr_t *__attr, + void *__stackaddr)); + +/* Return the previously set address for the stack. */ +extern int __pthread_attr_getstackaddr __P ((__const pthread_attr_t *__attr, + void **__stackaddr)); +extern int pthread_attr_getstackaddr __P ((__const pthread_attr_t *__attr, + void **__stackaddr)); + +/* Add information about the minimum stack size needed for the thread + to be started. This size must never be less than PTHREAD_STACK_SIZE + and must also not exceed the system limits. */ +extern int __pthread_attr_setstacksize __P ((pthread_attr_t *__attr, + size_t __stacksize)); +extern int pthread_attr_setstacksize __P ((pthread_attr_t *__attr, + size_t __stacksize)); + +/* Return the currently used minimal stack size. */ +extern int __pthread_attr_getstacksize __P ((__const pthread_attr_t *__attr, + size_t *__stacksize)); +extern int pthread_attr_getstacksize __P ((__const pthread_attr_t *__attr, + size_t *__stacksize)); +#endif + /* Functions for scheduling control. */ /* Set the scheduling parameters for TARGET_THREAD according to POLICY @@ -284,6 +331,15 @@ extern int pthread_getschedparam __P ((pthread_t __target_thread, int *__policy, struct sched_param *__param)); +#ifdef __USE_UNIX98 +/* Determine level of concurrency. */ +extern int __pthread_getconcurrency __P ((void)); +extern int pthread_getconcurrency __P ((void)); + +/* Set new concurrency level to LEVEL. */ +extern int __pthread_setconcurrency __P ((int __level)); +extern int pthread_setconcurrency __P ((int __level)); +#endif /* Functions for mutex handling. */ diff --git a/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h b/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h index 68635ba36f..f884863ffa 100644 --- a/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h +++ b/linuxthreads/sysdeps/unix/sysv/linux/bits/local_lim.h @@ -1,5 +1,5 @@ /* Minimum guaranteed maximum values for system limits. Linux version. - Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1993, 94, 95, 96, 97, 98 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 @@ -38,3 +38,6 @@ /* Maximum amount by which a process can descrease its asynchronous I/O priority level. */ #define AIO_PRIO_DELTA_MAX 20 + +/* Minimum size for a thread. We are free to choose a reasonable value. */ +#define PTHREAD_STACK_MIN 16384 |