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PAPI_lock

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)