NAME¶

PAPI_lock - Lock one of two mutex variables defined in papi.h
PAPI_unlock - Unlock one of the mutex variables defined in papi.h

SYNOPSIS¶

C Interface

#include <papi.h>
void PAPI_lock(intlock);
void PAPI_unlock(intlock);

Fortran Interface

#include fpapi.h
PAPIF_lock(C_INT lock)
PAPIF_unlock(C_INT lock)

DESCRIPTION¶

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 (hopefully) efficiently implemented mutex.

PAPI_unlock() unlocks the mutex acquired by a call to PAPI_lock.

ARGUMENT¶

lock -- an integer value specifying one of the two user locks: PAPI_USR1_LOCK or PAPI_USR2_LOCK

RETURN VALUES¶

There are no return values for these calls. Upon return from PAPI_lock the current thread has acquired exclusive access to the specified PAPI mutex.

BUGS¶

These functions have no known bugs.

SEE ALSO¶

PAPI_thread_init(3)