PAPI_lock() grabs access to one of the two PAPI mutex variables. This function is provided to the user to have a platform independent call to a (hopefully) efficiently implemented mutex.
void PAPI_lock(int lock);
- lock -- an integer value specifying one of the two user locks: PAPI_USR1_LOCK or PAPI_USR2_LOCK
- There is no return value for this call. Upon return from PAPI_lock the current thread has acquired exclusive access to the specified PAPI mutex.
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