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736618054c
Default mutex type is PTHREAD_MUTEX_NORMAL. Attempting to unlock an unowned mutex of that type is specified as undefined behaviour, not returning EPERM. mutex7e verfies that attempting to unlock an unowned mutex of type PTHREAD_MUTEX_ERRORCHECK returns EPERM.
31 lines
698 B
C
31 lines
698 B
C
/*
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* mutex5.c
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*
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* Confirm the equality/inequality of the various mutex types,
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* and the default not-set value.
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*/
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#include "test.h"
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static pthread_mutexattr_t mxAttr;
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int
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main()
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{
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int mxType = -1;
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int success = 0; /* Use to quell GNU compiler warnings. */
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assert(success = PTHREAD_MUTEX_DEFAULT == PTHREAD_MUTEX_NORMAL);
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assert(success = PTHREAD_MUTEX_DEFAULT != PTHREAD_MUTEX_RECURSIVE);
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assert(success = PTHREAD_MUTEX_RECURSIVE != PTHREAD_MUTEX_ERRORCHECK);
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if (success == success)
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{
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assert(pthread_mutexattr_init(&mxAttr) == 0);
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assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
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assert(mxType == PTHREAD_MUTEX_NORMAL);
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}
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return 0;
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}
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