diff options
Diffstat (limited to 'mit-pthreads/machdep/engine-romp-bsd.c')
-rw-r--r-- | mit-pthreads/machdep/engine-romp-bsd.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/engine-romp-bsd.c b/mit-pthreads/machdep/engine-romp-bsd.c new file mode 100644 index 00000000000..dd1a1096ece --- /dev/null +++ b/mit-pthreads/machdep/engine-romp-bsd.c @@ -0,0 +1,99 @@ +/* ==== machdep.c ============================================================ + * Copyright (c) 1993 Chris Provenzano, proven@athena.mit.edu + * + * Description : Machine dependent functions for NetBSD on i386 + * + * 1.00 93/08/04 proven + * -Started coding this file. + */ + +#ifndef lint +static const char rcsid[] = "$Id$"; +#endif + +#include <pthread.h> + +/* ========================================================================== + * machdep_save_state() + */ +int machdep_save_state(void) +{ + return(_pthread_save(pthread_run->machdep_data.machdep_state, 0, 0)); +} + +/* ========================================================================== + * machdep_restore_state() + */ +void machdep_restore_state(void) +{ + _pthread_restore(pthread_run->machdep_data.machdep_state); +} + +/* ========================================================================== + * 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(); + sig_check_and_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_pthread_create() + */ +void machdep_pthread_create(struct machdep_pthread *machdep_pthread, + void *(* start_routine)(), void *start_argument, long stack_size, + void *stack_start, long nsec) +{ + machdep_pthread->machdep_stack = stack_start; + + 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; + + _pthread_save(machdep_pthread->machdep_state, + (void *)((int)machdep_pthread->machdep_stack + stack_size), + machdep_pthread_start); +} + |