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42ada29286
VALGRIND_{DISABLE,ENABLE}_ERROR_REPORTING, which allow a thread to
temporarily disable reporting of errors it makes. This is useful for
making Memcheck behave sanely in the presence of some MPI
implementations. Also mark up libmpiwrap.c accordingly.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11910
43 lines
861 B
C
43 lines
861 B
C
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/* Test that we get a complaint if a thread exits with error reporting
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disabled. */
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#include <stdlib.h>
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#include <stdio.h>
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#include "../include/valgrind.h"
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char* block = NULL;
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__attribute__((noinline)) void usechar ( char c )
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{
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// Spook gcc into believing mysterious bad things are
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// happening behind its back, and that 'c' is definitely
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// used in some (unknown) way.
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__asm__ __volatile__("" : : "r"(c) : "memory","cc");
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}
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__attribute__((noinline)) void err ( void )
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{
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usechar( block[5] );
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}
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int main ( void )
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{
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block = malloc(10);
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free(block);
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fprintf(stderr, "\n--------- enabled (expect 1) ---------\n\n");
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err();
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fprintf(stderr, "\n--------- disabled (expect 0) ---------\n\n");
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VALGRIND_DISABLE_ERROR_REPORTING;
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err();
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fprintf(stderr, "\n--------- exiting (expect complaint) ---------\n\n");
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return 0;
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}
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