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Diffstat (limited to 'contrib/sendmail/libsm/t-shm.c')
| -rw-r--r-- | contrib/sendmail/libsm/t-shm.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/contrib/sendmail/libsm/t-shm.c b/contrib/sendmail/libsm/t-shm.c deleted file mode 100644 index ba0bc6c..0000000 --- a/contrib/sendmail/libsm/t-shm.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * Copyright (c) 2000-2002, 2004, 2005 Sendmail, Inc. and its suppliers. - * All rights reserved. - * - * By using this file, you agree to the terms and conditions set - * forth in the LICENSE file which can be found at the top level of - * the sendmail distribution. - */ - -#include <sm/gen.h> -SM_RCSID("@(#)$Id: t-shm.c,v 1.22 2005/01/14 02:14:10 ca Exp $") - -#include <stdio.h> - -#if SM_CONF_SHM -# include <stdlib.h> -# include <unistd.h> -# include <sys/wait.h> - -# include <sm/heap.h> -# include <sm/string.h> -# include <sm/test.h> -# include <sm/shm.h> - -# define SHMSIZE 1024 -# define SHM_MAX 6400000 -# define T_SHMKEY 21 - - -/* -** SHMINTER -- interactive testing of shared memory -** -** Parameters: -** owner -- create segment. -** -** Returns: -** 0 on success -** < 0 on failure. -*/ - -int shminter __P((bool)); - -int -shminter(owner) - bool owner; -{ - int *shm, shmid; - int i, t; - - shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); - if (shm == (int *) 0) - { - perror("shminit failed"); - return -1; - } - - while ((t = getchar()) != EOF) - { - switch (t) - { - case 'c': - *shm = 0; - break; - case 'i': - ++*shm; - break; - case 'd': - --*shm; - break; - case 's': - sleep(1); - break; - case 'l': - t = *shm; - for (i = 0; i < SHM_MAX; i++) - { - ++*shm; - } - if (*shm != SHM_MAX + t) - fprintf(stderr, "error: %d != %d\n", - *shm, SHM_MAX + t); - break; - case 'v': - printf("shmval: %d\n", *shm); - break; - case 'S': - i = sm_shmsetowner(shmid, getuid(), getgid(), 0644); - printf("sm_shmsetowner=%d\n", i); - break; - } - } - return sm_shmstop((void *) shm, shmid, owner); -} - - -/* -** SHMBIG -- testing of shared memory -** -** Parameters: -** owner -- create segment. -** size -- size of segment. -** -** Returns: -** 0 on success -** < 0 on failure. -*/ - -int shmbig __P((bool, int)); - -int -shmbig(owner, size) - bool owner; - int size; -{ - int *shm, shmid; - int i; - - shm = (int *) sm_shmstart(T_SHMKEY, size, 0, &shmid, owner); - if (shm == (int *) 0) - { - perror("shminit failed"); - return -1; - } - - for (i = 0; i < size / sizeof(int); i++) - shm[i] = i; - for (i = 0; i < size / sizeof(int); i++) - { - if (shm[i] != i) - { - fprintf(stderr, "failed at %d: %d", i, shm[i]); - } - } - - return sm_shmstop((void *) shm, shmid, owner); -} - - -/* -** SHMTEST -- test of shared memory -** -** Parameters: -** owner -- create segment. -** -** Returns: -** 0 on success -** < 0 on failure. -*/ - -# define MAX_CNT 10 - -int shmtest __P((int)); - -int -shmtest(owner) - int owner; -{ - int *shm, shmid; - int cnt = 0; - - shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); - if (shm == (int *) 0) - { - perror("shminit failed"); - return -1; - } - - if (owner) - { - int r; - - r = sm_shmsetowner(shmid, getuid(), getgid(), 0660); - SM_TEST(r == 0); - *shm = 1; - while (*shm == 1 && cnt++ < MAX_CNT) - sleep(1); - SM_TEST(cnt <= MAX_CNT); - - /* release and re-acquire the segment */ - r = sm_shmstop((void *) shm, shmid, owner); - SM_TEST(r == 0); - shm = (int *) sm_shmstart(T_SHMKEY, SHMSIZE, 0, &shmid, owner); - SM_TEST(shm != (int *) 0); - } - else - { - while (*shm != 1 && cnt++ < MAX_CNT) - sleep(1); - SM_TEST(cnt <= MAX_CNT); - *shm = 2; - - /* wait a momemt so the segment is still in use */ - sleep(2); - } - return sm_shmstop((void *) shm, shmid, owner); -} - -int -main(argc, argv) - int argc; - char *argv[]; -{ - bool interactive = false; - bool owner = false; - int big = -1; - int ch; - int r = 0; - int status; - extern char *optarg; - -# define OPTIONS "b:io" - while ((ch = getopt(argc, argv, OPTIONS)) != -1) - { - switch ((char) ch) - { - case 'b': - big = atoi(optarg); - break; - - case 'i': - interactive = true; - break; - - case 'o': - owner = true; - break; - - default: - break; - } - } - - if (interactive) - r = shminter(owner); - else if (big > 0) - r = shmbig(true, big); - else - { - pid_t pid; - extern int SmTestNumErrors; - - if ((pid = fork()) < 0) - { - perror("fork failed\n"); - return -1; - } - - sm_test_begin(argc, argv, "test shared memory"); - if (pid == 0) - { - /* give the parent the chance to setup data */ - sleep(1); - r = shmtest(false); - } - else - { - r = shmtest(true); - (void) wait(&status); - } - SM_TEST(r == 0); - if (SmTestNumErrors > 0) - printf("add -DSM_CONF_SHM=0 to confENVDEF in devtools/Site/site.config.m4\nand start over.\n"); - return sm_test_end(); - } - return r; -} -#else /* SM_CONF_SHM */ -int -main(argc, argv) - int argc; - char *argv[]; -{ - printf("No support for shared memory configured on this machine\n"); - return 0; -} -#endif /* SM_CONF_SHM */ |
