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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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302ca71a6a
Another mmap issue in which another VG_(am_get_advisory) needs adjustment wrapper for cases when (VKI_SHMLBA > VKI_PAGE_SIZE) and argument is VKI_MAP_SHARED. Fix by DejanJ for Bug #320057. Issue and the test case by Vasile Floroiu. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13450
37 lines
727 B
C
37 lines
727 B
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "tests/sys_mman.h"
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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/* Test case supplied by Vasile Floroiu. */
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#define DO(cmd) printf(#cmd "; status: %s\n", strerror(errno))
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#define SZ 48216 + 1024
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int main()
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{
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int fd;
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fd = shm_open("/hw_mngr.c", (O_CREAT | O_EXCL | O_RDWR),
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(S_IREAD | S_IWRITE));
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DO(shm_open());
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{
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void *ptr;
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ftruncate(fd, SZ);
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DO(ftruncate(fd, SZ));
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ptr = mmap(0, SZ, (PROT_READ | PROT_WRITE), MAP_SHARED, fd, 0);
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DO(mmap());
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munmap(ptr, SZ);
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DO(munmap());
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}
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shm_unlink("/hw_mngr.c");
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DO(shm_unlink());
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return 0;
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}
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