CODEWITHSUNDEEP
linuxwindowspthreads
SudoObey
SudoObey

Reputation: 99

pthread_mutex_timedlock on Linux

I am porting window mutexes to linux using pthreads and compiling with gcc. I came across WaitForSingleObject function on windows. I am trying to use pthread_mutex_timedlock to lock the mutex for an x amount of seconds just like WaitForSingleObject.

I included the time.h and pthread.h files but when I try to compile, I get an undefined reference to pthread_mutex_timedlock error. When I take an argument out of pthread_mutex_timedlock and try to compile, I get

too few arguments to function "pthread_mutex_timedlock"

I am confused as to why I am getting the undefined reference error. A snippet of my code is below:

#include <pthread.h>
#include <time.h>

int dwWaitResult;
struct timespec timeout;
clock_gettime(CLOCK_REALTIME, &timeout);
timeout.tv_sec = 10;

dwWaitResult = pthread_mutex_timedlock(mutexArray[mutexIndex], &timeout);

Upvotes: 1

Views: 1177

Answers (1)

SudoObey
SudoObey

Reputation: 99

undefined reference means that yo udo not link agains pthread lib; did you try adding -lpthread? @OznOg

OznOg answered my question. I just needed to use -pthread when compiling. Thank you!!

Upvotes: 1

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