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| author | Alejandro Colomar <alx@kernel.org> | 2025-08-19 17:48:50 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2025-08-20 18:14:03 +0200 |
| commit | 0e7a39804a3c017a209117fc2243c6cbb543dede (patch) | |
| tree | 91e0b287d8b826d668c3d8118347f07cc8b8964a /man/man3/pthread_setschedparam.3 | |
| parent | e2d3f14fe40ad90a1fedf0fcd27e6cc896c49a7a (diff) | |
| download | man-pages-0e7a39804a3c017a209117fc2243c6cbb543dede.tar.gz | |
man/: EXAMPLES: Use err(3) and errc(3bsd) instead of similar macros
These functions are quite portable. And if one doesn't have them for
some reason (but libbsd has been ported to many systems), one can write
them easily as macros, anyway.
Signed-off-by: Alejandro Colomar <alx@kernel.org>
Diffstat (limited to 'man/man3/pthread_setschedparam.3')
| -rw-r--r-- | man/man3/pthread_setschedparam.3 | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/man/man3/pthread_setschedparam.3 b/man/man3/pthread_setschedparam.3 index 37c8cb081c..c16560e7ba 100644 --- a/man/man3/pthread_setschedparam.3 +++ b/man/man3/pthread_setschedparam.3 @@ -224,15 +224,13 @@ is the default for the inherit scheduler attribute. .EX /* pthreads_sched_test.c */ \& +#include <err.h> #include <errno.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> \& -#define handle_error_en(en, msg) \[rs] - do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0) -\& [[noreturn]] static void usage(char *prog_name, char *msg) @@ -287,7 +285,7 @@ display_thread_sched_attr(char *msg) \& s = pthread_getschedparam(pthread_self(), &policy, ¶m); if (s != 0) - handle_error_en(s, "pthread_getschedparam"); + errc(EXIT_FAILURE, s, "pthread_getschedparam"); \& printf("%s\[rs]n", msg); display_sched_attr(policy, ¶m); @@ -344,7 +342,7 @@ main(int argc, char *argv[]) \& s = pthread_setschedparam(pthread_self(), policy, ¶m); if (s != 0) - handle_error_en(s, "pthread_setschedparam"); + errc(EXIT_FAILURE, s, "pthread_setschedparam"); } \& display_thread_sched_attr("Scheduler settings of main thread"); @@ -357,7 +355,7 @@ main(int argc, char *argv[]) if (!use_null_attrib) { s = pthread_attr_init(&attr); if (s != 0) - handle_error_en(s, "pthread_attr_init"); + errc(EXIT_FAILURE, s, "pthread_attr_init"); attrp = &attr; } \& @@ -371,7 +369,7 @@ main(int argc, char *argv[]) \& s = pthread_attr_setinheritsched(&attr, inheritsched); if (s != 0) - handle_error_en(s, "pthread_attr_setinheritsched"); + errc(EXIT_FAILURE, s, "pthread_attr_setinheritsched"); } \& if (attr_sched_str != NULL) { @@ -381,10 +379,10 @@ main(int argc, char *argv[]) \& s = pthread_attr_setschedpolicy(&attr, policy); if (s != 0) - handle_error_en(s, "pthread_attr_setschedpolicy"); + errc(EXIT_FAILURE, s, "pthread_attr_setschedpolicy"); s = pthread_attr_setschedparam(&attr, ¶m); if (s != 0) - handle_error_en(s, "pthread_attr_setschedparam"); + errc(EXIT_FAILURE, s, "pthread_attr_setschedparam"); } \& /* If we initialized a thread attributes object, display @@ -393,10 +391,10 @@ main(int argc, char *argv[]) if (attrp != NULL) { s = pthread_attr_getschedparam(&attr, ¶m); if (s != 0) - handle_error_en(s, "pthread_attr_getschedparam"); + errc(EXIT_FAILURE, s, "pthread_attr_getschedparam"); s = pthread_attr_getschedpolicy(&attr, &policy); if (s != 0) - handle_error_en(s, "pthread_attr_getschedpolicy"); + errc(EXIT_FAILURE, s, "pthread_attr_getschedpolicy"); \& printf("Scheduler settings in \[aq]attr\[aq]\[rs]n"); display_sched_attr(policy, ¶m); @@ -413,19 +411,19 @@ main(int argc, char *argv[]) \& s = pthread_create(&thread, attrp, &thread_start, NULL); if (s != 0) - handle_error_en(s, "pthread_create"); + errc(EXIT_FAILURE, s, "pthread_create"); \& /* Destroy unneeded thread attributes object. */ \& if (!use_null_attrib) { s = pthread_attr_destroy(&attr); if (s != 0) - handle_error_en(s, "pthread_attr_destroy"); + errc(EXIT_FAILURE, s, "pthread_attr_destroy"); } \& s = pthread_join(thread, NULL); if (s != 0) - handle_error_en(s, "pthread_join"); + errc(EXIT_FAILURE, s, "pthread_join"); \& exit(EXIT_SUCCESS); } |