diff options
Diffstat (limited to 'mit-pthreads/machdep/engine-sparc-netbsd-1.3.c')
| -rw-r--r-- | mit-pthreads/machdep/engine-sparc-netbsd-1.3.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/mit-pthreads/machdep/engine-sparc-netbsd-1.3.c b/mit-pthreads/machdep/engine-sparc-netbsd-1.3.c deleted file mode 100644 index 8e0520cfba5..00000000000 --- a/mit-pthreads/machdep/engine-sparc-netbsd-1.3.c +++ /dev/null @@ -1,232 +0,0 @@ -/* ==== machdep.c ============================================================ - * Copyright (c) 1993, 1994 Chris Provenzano, proven@athena.mit.edu - * - * Description : Machine dependent functions for SunOS-4.1.3 on sparc - * - * 1.00 93/08/04 proven - * -Started coding this file. - * - * 98/10/22 bad - * -update for fat sigset_t in NetBSD 1.3H - */ - -#ifndef lint -static const char rcsid[] = "$Id$"; -#endif - -#include "config.h" -#include <pthread.h> -#include <stdlib.h> -#include <errno.h> - -/* ========================================================================== - * machdep_save_state() - */ -int machdep_save_state(void) -{ - /* Save register windows onto stackframe */ - __asm__ ("ta 3"); - - return(setjmp(pthread_run->machdep_data.machdep_state)); -} - -/* ========================================================================== - * machdep_restore_state() - */ -void machdep_restore_state(void) -{ - longjmp(pthread_run->machdep_data.machdep_state, 1); -} -/* ========================================================================== - * machdep_save_float_state() - */ -void machdep_save_float_state(struct pthread * pthread) -{ - return; -} - -/* ========================================================================== - * machdep_restore_float_state() - */ -void machdep_restore_float_state(void) -{ - return; -} - -/* ========================================================================== - * machdep_set_thread_timer() - */ -void machdep_set_thread_timer(struct machdep_pthread *machdep_pthread) -{ - if (setitimer(ITIMER_VIRTUAL, &(machdep_pthread->machdep_timer), NULL)) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_unset_thread_timer() - */ -void machdep_unset_thread_timer(struct machdep_pthread *machdep_pthread) -{ - struct itimerval zeroval = { { 0, 0 }, { 0, 0} }; - - if (setitimer(ITIMER_VIRTUAL, &zeroval, NULL)) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_pthread_cleanup() - */ -void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread) -{ - return(machdep_pthread->machdep_stack); -} - -/* ========================================================================== - * machdep_pthread_start() - */ -void machdep_pthread_start(void) -{ - context_switch_done(); - pthread_sched_resume (); - - /* Run current threads start routine with argument */ - pthread_exit(pthread_run->machdep_data.start_routine - (pthread_run->machdep_data.start_argument)); - - /* should never reach here */ - PANIC(); -} - -/* ========================================================================== - * __machdep_stack_free() - */ -void __machdep_stack_free(void * stack) -{ - free(stack); -} - -/* ========================================================================== - * __machdep_stack_alloc() - */ -void * __machdep_stack_alloc(size_t size) -{ - void * stack; - - return(malloc(size)); -} - -/* ========================================================================== - * __machdep_pthread_create() - */ -void __machdep_pthread_create(struct machdep_pthread *machdep_pthread, - void *(* start_routine)(), void *start_argument, - long stack_size, long nsec, long flags) -{ - machdep_pthread->start_routine = start_routine; - machdep_pthread->start_argument = start_argument; - - machdep_pthread->machdep_timer.it_value.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_usec = 0; - machdep_pthread->machdep_timer.it_value.tv_usec = nsec / 1000; - - /* Save register windows onto stackframe */ - __asm__ ("ta 3"); - - setjmp(machdep_pthread->machdep_state); - /* - * Set up new stact frame so that it looks like it - * returned from a longjmp() to the beginning of - * machdep_pthread_start(). - */ - machdep_pthread->machdep_state[3] = (int)machdep_pthread_start; - machdep_pthread->machdep_state[4] = (int)machdep_pthread_start; - - /* Sparc stack starts high and builds down. */ - machdep_pthread->machdep_state[2] = - (int)machdep_pthread->machdep_stack + stack_size - 1024; - machdep_pthread->machdep_state[2] &= ~7; - -} - -#if defined(HAVE_SYSCALL_GETDENTS) -/* ========================================================================== - * machdep_sys_getdirentries() - * - * Always use getdents in place of getdirentries if possible --proven - */ -int machdep_sys_getdirentries(int fd, char * buf, int len, int * seek) -{ - return(machdep_sys_getdents(fd, buf, len)); -} -#endif - -/* ========================================================================== - * machdep_sys_wait3() - */ -machdep_sys_wait3(int * b, int c, int * d) -{ - return(machdep_sys_wait4(0, b, c, d)); -} - -/* ========================================================================== - * machdep_sys_waitpid() - */ -machdep_sys_waitpid(int pid, int * statusp, int options) -{ - if (pid == -1) - pid = 0; - else if (pid == 0) - pid = - getpgrp (); - return machdep_sys_wait4 (pid, statusp, options, NULL); -} - -#if !defined(HAVE_SYSCALL_SIGPROCMASK) -#if 0 -/* ========================================================================== - * machdep_sys_sigprocmask() - * This isn't a real implementation; we can make the assumption that the - * pthreads library is not using oset, and that it is always blocking or - * unblocking all signals at once. - */ -int machdep_sys_sigprocmask(int how, const sigset_t *set, sigset_t *oset) -{ - switch(how) { - case SIG_BLOCK: - sigblock(*set); - break; - case SIG_UNBLOCK: - sigsetmask(~*set); - break; - case SIG_SETMASK: - sigsetmask(*set); - break; - default: - return -EINVAL; - } - return(OK); -} - -/* ========================================================================== - * sigaction() - * - * Temporary until I do machdep_sys_sigaction() - */ -int sigaction(int sig, const struct sigaction *act, struct sigaction *oldact) -{ - return(sigvec(sig, (struct sigvec *)act, (struct sigvec *)oldact)); -} -#endif -#endif - -#if !defined(HAVE_SYSCALL_GETDTABLESIZE) -/* ========================================================================== - * machdep_sys_getdtablesize() - */ -machdep_sys_getdtablesize() -{ - return(sysconf(_SC_OPEN_MAX)); -} -#endif |