diff options
| -rw-r--r-- | test/unistd/Makefile | 22 | ||||
| -rw-r--r-- | test/unistd/clone.c | 116 |
2 files changed, 138 insertions, 0 deletions
diff --git a/test/unistd/Makefile b/test/unistd/Makefile index 0f972f956..cd3a84fbf 100644 --- a/test/unistd/Makefile +++ b/test/unistd/Makefile @@ -54,6 +54,28 @@ fork_glibc: fork.c ../testsuite.h Makefile ./$@ -@ echo " " +clone: clone.c ../testsuite.h Makefile $(TESTDIR)/Rules.mak + -@ echo "-------" + -@ echo " " + -@ echo "Compiling $@ vs uClibc: " + -@ echo " " + $(CC) $(CFLAGS) -c $< -o $@.o + $(CC) $(LDFLAGS) $@.o -o $@ $(EXTRA_LIBS) + $(STRIPTOOL) -x -R .note -R .comment $@ + ./$@ + -@ echo " " + +clone_glibc: clone.c ../testsuite.h Makefile + -@ echo "-------" + -@ echo " " + -@ echo "Compiling $@ vs glibc: " + -@ echo " " + $(HOSTCC) $(GLIBC_CFLAGS) -c $< -o $@.o + $(HOSTCC) $(GLIBC_LDFLAGS) $@.o -o $@ + $(STRIPTOOL) -x -R .note -R .comment $@ + ./$@ + -@ echo " " + vfork: vfork.c ../testsuite.h Makefile $(TESTDIR)/Rules.mak -@ echo "-------" -@ echo " " diff --git a/test/unistd/clone.c b/test/unistd/clone.c new file mode 100644 index 000000000..6d9aa6873 --- /dev/null +++ b/test/unistd/clone.c @@ -0,0 +1,116 @@ +/* vi: set sw=4 ts=4: */ +/* + * clone test for uClibc + * + * Copyright (C) 2000 by Lineo, inc. and Erik Andersen + * Copyright (C) 2000,2001 by Erik Andersen <andersen@uclibc.org> + * Written by Erik Andersen <andersen@uclibc.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> +#include <sched.h> +#include <sys/wait.h> + +#define GOT1 (1 << 1) +#define GOT2 (1 << 2) +#define GOT3 (1 << 3) +#define ALLGOT (GOT1|GOT2|GOT3) + +void child_handler(int sig) +{ + printf("I got a SIGCHLD\n"); +} + +int clone_main(void *arg) +{ + unsigned long input = (unsigned long)arg; + int secs = (input / 10) * 4; + printf("Clone got %lu, sleeping for %i secs\n", input, secs); + sleep(secs); + return input + 20; +} + +int main(void) +{ + int clone1, clone2, clone3; + char clone1_stack[8192], clone2_stack[8192], clone3_stack[8192]; + int status, nostatus, result, wpid; + + signal(SIGCHLD, child_handler); + + if ((clone1 = clone(clone_main, clone1_stack, 0, (void*)11)) == -1) { + perror("Clone 1 failed"); + exit(-1); + } + if ((clone2 = clone(clone_main, clone2_stack, 0, (void*)22)) == -1) { + perror("Clone 2 failed"); + exit(-2); + } + if ((clone3 = clone(clone_main, clone3_stack, 0, (void*)33)) == -1) { + perror("Clone 3 failed"); + exit(-3); + } + + sleep(1); + printf("Parent: waiting for the clones to die.\n"); + nostatus = status = 0; + while (1) { + if ((wpid = waitpid(clone1, &result, WNOHANG|__WCLONE)) == -1) + nostatus |= GOT1; + if (wpid == clone1) { + status |= GOT1; + printf("Clone1 gave back %i\n", WEXITSTATUS(result)); + } + + if ((wpid = waitpid(clone2, &result, WNOHANG|__WCLONE)) == -1) + nostatus |= GOT2; + if (wpid == clone2) { + status |= GOT2; + printf("Clone2 gave back %i\n", WEXITSTATUS(result)); + } + + if ((wpid = waitpid(clone3, &result, WNOHANG|__WCLONE)) == -1) + nostatus |= GOT3; + if (wpid == clone3) { + status |= GOT3; + printf("Clone3 gave back %i\n", WEXITSTATUS(result)); + } + + if (status == ALLGOT || nostatus == ALLGOT) + break; + } + + if (status == ALLGOT) { + printf("Clones exited.\nGoodbye.\n"); + return EXIT_SUCCESS; + } else { + perror("Waiting for clones failed"); + return EXIT_FAILURE; + } +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |