unlock a semaphore NAME sem_post - unlock a semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #i......'sem2' to tell the peer that it can now access the modified data in shared memory. */ if (sem_post(&shmp->sem2) == -1) errExit("sem_post"); /* Unlink the shared memory object. E…...'sem2' to tell the peer that it can now access the modified data in shared memory. */ if (sem_post(&shmp->sem2) == -1) errExit("sem_post"); /* Unlink the shared memory object. E…Name groff - front end to the GNU roff document formatting system Synopsis groff [ -abcCeEgGijklNpRsStUVXzZ ] [ -d ctext ] [ -d string = text ] [ -D fallback-encoding ] [ -f font-f…...that is used to set an alarm timer to generate a SIGALRM signal. This handler performs a sem_post (3) to increment the semaphore that is being waited on in main() using sem_time…...that is used to set an alarm timer to generate a SIGALRM signal. This handler performs a sem_post (3) to increment the semaphore that is being waited on in main() using sem_time…...that is used to set an alarm timer to generate a SIGALRM signal. This handler performs a sem_post (3) to increment the semaphore that is being waited on in main() using sem_time…...ro. Two operations can be performed on semaphores: increment the semaphore value by one ( sem_post (3)); and decrement the semaphore value by one ( sem_wait (3)). If the value o…...) Any process that can access the shared memory region can operate on the semaphore using sem_post (3), sem_wait (3), and so on. Initializing a semaphore that has already been i…...osed on process termination, or upon execve (2). SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_unlink (3), sem_wait (3), sem_overview (7)wrapper for PostgreSQL client commands NAME pg_wrapper - wrapper for PostgreSQL client commands SYNOPSIS client-program [ --cluster version / cluster ] [...] ( client-program : psq…...fe STANDARDS POSIX.1-2008. HISTORY POSIX.1-2001. SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_wait (3), sem_overview (7)wrapper for PostgreSQL client commands NAME pg_wrapper - wrapper for PostgreSQL client commands SYNOPSIS client-program [ --cluster version / cluster ] [...] ( client-program : psq…...e to do this can result in resource leaks on some implementations. SEE ALSO sem_init (3), sem_post (3), sem_wait (3), sem_overview (7)...e of the semaphore may already have changed by the time sem_getvalue () returns. SEE ALSO sem_post (3), sem_wait (3), sem_overview (7)...e STANDARDS POSIX.1-2008. HISTORY POSIX.1-2001. SEE ALSO sem_close (3), sem_getvalue (3), sem_post (3), sem_unlink (3), sem_wait (3), sem_overview (7)works around known dpkg limitations in maintainer scripts NAME dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts SYNOPSIS dpkg-maintscript-helper …restore a PostgreSQL database from an archive file created by pg_dump NAME pg_restore - restore a PostgreSQL database from an archive file created by pg_dump SYNOPSIS pg_restore [ …Update Configuration File: preserve user changes in configuration files NAME ucf - Update Configuration File: preserve user changes in configuration files SYNOPSIS ucf [ options ] …transfer a URL NAME curl - transfer a URL SYNOPSIS curl [options / URLs] DESCRIPTION curl is a tool for transferring data from or to a server using URLs. It supports these protocol…