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105 lines
2.9 KiB
105 lines
2.9 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*! @file
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* Test detaching - reattach Pin on Linux
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* The application tests Pin correctness in interrupted system calls
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <signal.h>
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#define READ_WRITE_APP_TIMEOUT 300 // seconds to timeout in case Pin's attach/detach is stuck.
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/* Signal Handler. Pin doesn't kill the process if it failed to attach, exit on SIGALRM */
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void ExitOnAlarm(int sig)
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{
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fprintf(stderr, "Pin is not attached, exit on SIGALRM\n");
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exit(0);
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}
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extern "C" int AppShouldExit()
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{
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return 0;
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}
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int main()
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{
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char filename[PATH_MAX];
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sprintf(filename, "rw_test.%d.txt", getpid());
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/* perform exit after READ_WRITE_APP_TIMEOUT seconds */
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signal(SIGALRM, ExitOnAlarm);
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alarm(READ_WRITE_APP_TIMEOUT);
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while (!AppShouldExit())
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{
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FILE *out = fopen(filename, "w+");
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if (NULL == out)
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{
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int err = errno;
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printf("Failed to open output file %d\n", err);
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return -1;
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}
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size_t longStrSize = sizeof("aaaaabbbbccccddddd_")*100;
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char* orgBuf = (char*)malloc(longStrSize+2);
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orgBuf[0] ='\0';
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for(int i=0; i<100; i++)
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{
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sprintf(orgBuf, "%saaaaabbbbccccddddd_", orgBuf);
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}
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char *buf = (char*)malloc(longStrSize+2);
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for(int i=0; i<10; i++)
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{
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if (fseek(out, 0, SEEK_SET) != 0)
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{
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printf("fseek failed\n");
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return -1;
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}
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size_t writtenBytes = fwrite(orgBuf, 1, longStrSize, out);
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if (writtenBytes != longStrSize)
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{
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printf("Write operation ended with %d bytes; the full size is %d\n", (int)writtenBytes, (int)longStrSize);
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return -1;
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}
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if (fseek(out, 0, SEEK_SET) != 0)
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{
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printf("fseek failed\n");
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return -1;
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}
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size_t readBytes = fread(buf, 1, longStrSize, out);
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if (readBytes != longStrSize)
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{
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printf("Read operation ended with %d bytes; the full size is %d\n", (int)readBytes, (int)longStrSize);
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return -1;
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}
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if (strcmp(orgBuf, buf))
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{
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printf("The strings are different after RW operation\n");
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return -1;
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}
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}
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fclose(out);
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free(orgBuf);
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free(buf);
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}
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return 0;
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}
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