diff options
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 10 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex1.c | 7 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex2.c | 5 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex3.c | 24 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex4.c | 6 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex5.c | 2 | ||||
| -rw-r--r-- | linuxthreads/Examples/ex6.c | 38 | ||||
| -rw-r--r-- | linuxthreads/Makefile | 11 |
8 files changed, 78 insertions, 25 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 83c98565a2..c149bdde9c 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,13 @@ +1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com> + + * Makefile: Add rules to compile and run tests. + * Examples/ex1.c: Little changes to fix warnings. + * Examples/ex2.c: Likewise. + * Examples/ex3.c: Likewise. + * Examples/ex4.c: Likewise. + * Examples/ex5.c: Likewise. + * Examples/ex6.c: New file. + 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com> * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc. diff --git a/linuxthreads/Examples/ex1.c b/linuxthreads/Examples/ex1.c index c399fab894..f455ecfaf0 100644 --- a/linuxthreads/Examples/ex1.c +++ b/linuxthreads/Examples/ex1.c @@ -17,15 +17,15 @@ void * process(void * arg) return NULL; } -int main() +int main(void) { int retcode; pthread_t th_a, th_b; void * retval; - retcode = pthread_create(&th_a, NULL, process, "a"); + retcode = pthread_create(&th_a, NULL, process, (void *) "a"); if (retcode != 0) fprintf(stderr, "create a failed %d\n", retcode); - retcode = pthread_create(&th_b, NULL, process, "b"); + retcode = pthread_create(&th_b, NULL, process, (void *) "b"); if (retcode != 0) fprintf(stderr, "create b failed %d\n", retcode); retcode = pthread_join(th_a, &retval); if (retcode != 0) fprintf(stderr, "join a failed %d\n", retcode); @@ -33,4 +33,3 @@ int main() if (retcode != 0) fprintf(stderr, "join b failed %d\n", retcode); return 0; } - diff --git a/linuxthreads/Examples/ex2.c b/linuxthreads/Examples/ex2.c index 3f7f115fda..70cb6b3986 100644 --- a/linuxthreads/Examples/ex2.c +++ b/linuxthreads/Examples/ex2.c @@ -97,7 +97,7 @@ void * consumer(void * data) return NULL; } -int main() +int main(void) { pthread_t th_a, th_b; void * retval; @@ -111,6 +111,3 @@ int main() pthread_join(th_b, &retval); return 0; } - - - diff --git a/linuxthreads/Examples/ex3.c b/linuxthreads/Examples/ex3.c index 002bc9042a..7557cc7983 100644 --- a/linuxthreads/Examples/ex3.c +++ b/linuxthreads/Examples/ex3.c @@ -1,6 +1,7 @@ /* Multi-thread searching. Illustrates: thread cancellation, cleanup handlers. */ +#include <errno.h> #include <stdio.h> #include <unistd.h> #include <stdlib.h> @@ -19,9 +20,7 @@ pthread_t threads[NUM_THREADS]; pthread_mutex_t lock; int tries; -int main(argc, argv) - int argc; - char ** argv; +int main(int argc, char ** argv) { int i; int pid; @@ -31,14 +30,14 @@ int main(argc, argv) printf("Searching for the number = %d...\n", pid); /* Initialize the mutex lock */ - pthread_mutex_init(&lock, NULL); + pthread_mutex_init(&lock, NULL); /* Create the searching threads */ for (i=0; i<NUM_THREADS; i++) pthread_create(&threads[i], NULL, search, (void *)pid); /* Wait for (join) all the searching threads */ - for (i=0; i<NUM_THREADS; i++) + for (i=0; i<NUM_THREADS; i++) pthread_join(threads[i], NULL); printf("It took %d tries to find the number.\n", tries); @@ -47,7 +46,7 @@ int main(argc, argv) return 0; } -/* This is the cleanup function that is called +/* This is the cleanup function that is called when the threads are cancelled */ void print_it(void *arg) @@ -59,7 +58,7 @@ void print_it(void *arg) tid = pthread_self(); /* Print where the thread was in its search when it was cancelled */ - printf("Thread %lx was canceled on its %d try.\n", tid, *try); + printf("Thread %lx was canceled on its %d try.\n", tid, *try); } /* This is the search routine that is executed in each thread */ @@ -82,20 +81,20 @@ void *search(void *arg) ntries = 0; /* Set the cancellation parameters -- - - Enable thread cancellation + - Enable thread cancellation - Defer the action of the cancellation */ pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL); /* Push the cleanup routine (print_it) onto the thread - cleanup stack. This routine will be called when the + cleanup stack. This routine will be called when the thread is cancelled. Also note that the pthread_cleanup_push call must have a matching pthread_cleanup_pop call. The - push and pop calls MUST be at the same lexical level + push and pop calls MUST be at the same lexical level within the code */ - /* Pass address of `ntries' since the current value of `ntries' is not + /* Pass address of `ntries' since the current value of `ntries' is not the one we want to use in the cleanup function */ pthread_cleanup_push(print_it, (void *)&ntries); @@ -118,7 +117,7 @@ void *search(void *arg) printf("Thread %lx found the number!\n", tid); /* Cancel all the other threads */ - for (j=0; j<NUM_THREADS; j++) + for (j=0; j<NUM_THREADS; j++) if (threads[j] != tid) pthread_cancel(threads[j]); /* Break out of the while loop */ @@ -141,4 +140,3 @@ void *search(void *arg) pthread_cleanup_pop(0); return((void *)0); } - diff --git a/linuxthreads/Examples/ex4.c b/linuxthreads/Examples/ex4.c index 83bc54c913..8ad7454eb8 100644 --- a/linuxthreads/Examples/ex4.c +++ b/linuxthreads/Examples/ex4.c @@ -40,7 +40,7 @@ static void str_alloc_destroy_accu(void * accu); /* Thread-safe version of str_accumulate */ -char * str_accumulate(char * s) +char * str_accumulate(const char * s) { char * accu; @@ -97,8 +97,8 @@ int main(int argc, char ** argv) pthread_t th1, th2; res = str_accumulate("Result of "); - pthread_create(&th1, NULL, process, "first"); - pthread_create(&th2, NULL, process, "second"); + pthread_create(&th1, NULL, process, (void *) "first"); + pthread_create(&th2, NULL, process, (void *) "second"); res = str_accumulate("initial thread"); printf("Thread %lx: \"%s\"\n", pthread_self(), res); pthread_join(th1, NULL); diff --git a/linuxthreads/Examples/ex5.c b/linuxthreads/Examples/ex5.c index 366668eb8c..475de0e0c5 100644 --- a/linuxthreads/Examples/ex5.c +++ b/linuxthreads/Examples/ex5.c @@ -86,7 +86,7 @@ void * consumer(void * data) return NULL; } -int main() +int main(void) { pthread_t th_a, th_b; void * retval; diff --git a/linuxthreads/Examples/ex6.c b/linuxthreads/Examples/ex6.c new file mode 100644 index 0000000000..32621d33df --- /dev/null +++ b/linuxthreads/Examples/ex6.c @@ -0,0 +1,38 @@ +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include <pthread.h> + +void * +test_thread (void *v_param) +{ + return NULL; +} + +int +main (void) +{ + unsigned long count; + + for (count = 0; count < 2000; ++count) + { + pthread_t thread; + int status; + + status = pthread_create (&thread, NULL, test_thread, NULL); + if (status != 0) + { + printf ("status = %d, count = %lu: %s\n", status, count, + strerror (errno)); + return 1; + } + else + { + printf ("count = %lu\n", count); + } + /* pthread_detach (thread); */ + pthread_join (thread, NULL); + usleep (50); + } + return 0; +} diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile index da92138111..b7444e7e4e 100644 --- a/linuxthreads/Makefile +++ b/linuxthreads/Makefile @@ -35,9 +35,20 @@ libpthread-routines := attr cancel condvar join manager mutex ptfork \ ptlongjmp pthread signals specific errno lockfile \ semaphore spinlock wrapsyscall rwlock +vpath %.c Examples +tests = ex1 ex2 ex3 ex4 ex5 ex6 + include ../Rules # Depend on libc.so so a DT_NEEDED is generated in the shared objects. # This ensures they will load libc.so for needed symbols if loaded by # a statically-linked program that hasn't already loaded it. $(objpfx)libpthread.so: $(common-objpfx)libc.so + +# Make sure we link with the thread library. +$(objpfx)ex1: $(objpfx)libpthread.so +$(objpfx)ex2: $(objpfx)libpthread.so +$(objpfx)ex3: $(objpfx)libpthread.so +$(objpfx)ex4: $(objpfx)libpthread.so +$(objpfx)ex5: $(objpfx)libpthread.so +$(objpfx)ex6: $(objpfx)libpthread.so |