diff options
Diffstat (limited to 'src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h')
-rw-r--r-- | src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h b/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h new file mode 100644 index 0000000000..3559a48454 --- /dev/null +++ b/src/3rdparty/ptmalloc/sysdeps/sproc/thread-st.h @@ -0,0 +1,85 @@ +/* + * $Id:$ + * sproc version + * by Wolfram Gloger 2001, 2004, 2006 + */ + +#include <stdio.h> +#include <sys/wait.h> +#include <sys/types.h> +#include <sys/prctl.h> + +#ifndef STACKSIZE +#define STACKSIZE 32768 +#endif + +struct thread_st { + char *sp; /* stack pointer, can be 0 */ + void (*func)(struct thread_st* st); /* must be set by user */ + int id; + int flags; + struct user_data u; +}; + +static void +thread_init(void) +{ + printf("Using sproc() threads.\n"); +} + +static void +thread_wrapper(void *ptr, size_t stack_len) +{ + struct thread_st *st = (struct thread_st*)ptr; + + /*printf("begin %p\n", st->sp);*/ + st->func(st); + /*printf("end %p\n", st->sp);*/ +} + +/* Create a thread. */ +static int +thread_create(struct thread_st *st) +{ + st->flags = 0; + if(!st->sp) + st->sp = malloc(STACKSIZE); + if(!st->sp) return -1; + st->id = sprocsp(thread_wrapper, PR_SALL, st, st->sp+STACKSIZE, STACKSIZE); + if(st->id < 0) { + return -1; + } + return 0; +} + +/* Wait for one of several subthreads to finish. */ +static void +wait_for_thread(struct thread_st st[], int n_thr, + int (*end_thr)(struct thread_st*)) +{ + int i; + int id; + + int status = 0; + id = wait(&status); + if(status != 0) { + if(WIFSIGNALED(status)) + printf("thread %id terminated by signal %d\n", + id, WTERMSIG(status)); + else + printf("thread %id exited with status %d\n", + id, WEXITSTATUS(status)); + } + for(i=0; i<n_thr; i++) + if(id == st[i].id) { + if(end_thr) + end_thr(&st[i]); + break; + } +} + +/* + * Local variables: + * tab-width: 4 + * End: + */ |