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select(2) -- synchronous I/O multiplexing
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select() examines the I/O descriptor sets whose addresses are passed in readfds, writefds, and exceptfds to see if some of their descriptors are ready for reading, are ready for writing, or have an ex... |
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semctl(2) -- semaphore control operations
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The semctl() system call provides a number of control operations on the semaphore specified by semnum and semid. The operation to be performed is specified in cmd (see below). arg is a union of the fo... |
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semget(2) -- get semaphore set
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The semget() system call returns the semaphore identifier associated with key. A new set containing nsems semaphores is created if either key is equal to IPC_PRIVATE, or key does not have a semaphore ... |
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semop(2) -- semaphore operations
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semop() provides a number of atomic operations on a set of semaphores. The semaphore set is specified by semid. sops is an array of semaphore operations, nsops is the number of operations in this arra... |
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send(2) -- send a message from a socket
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send(), sendto(), and sendmsg() are used to transmit a message to another socket. send() may be used only when the socket is in a connected state, while sendto() and sendmsg() may be used at any time.... |
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sendmsg(2) -- send a message from a socket
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send(), sendto(), and sendmsg() are used to transmit a message to another socket. send() may be used only when the socket is in a connected state, while sendto() and sendmsg() may be used at any time.... |
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sendto(2) -- send a message from a socket
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send(), sendto(), and sendmsg() are used to transmit a message to another socket. send() may be used only when the socket is in a connected state, while sendto() and sendmsg() may be used at any time.... |
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setegid(2) -- set user and group ID
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The setuid() function sets the real and effective user IDs and the saved set-user-ID of the current process to the specified value. The setuid() function is permitted if the effective user ID is that ... |
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seteuid(2) -- set user and group ID
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The setuid() function sets the real and effective user IDs and the saved set-user-ID of the current process to the specified value. The setuid() function is permitted if the effective user ID is that ... |
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setgid(2) -- set user and group ID
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The setuid() function sets the real and effective user IDs and the saved set-user-ID of the current process to the specified value. The setuid() function is permitted if the effective user ID is that ... |
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setgroups(2) -- set group access list
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setgroups() sets the group access list of the current user process according to the array gidset. The parameter ngroups indicates the number of entries in the array and must be no more than {NGROUPS_M... |
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setitimer(2) -- get/set value of interval timer
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The system provides each process with three interval timers, defined in . The getitimer() call returns the current value for the timer specified in which in the structure at value. The set... |
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setlogin(2) -- get/set login name
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The getlogin() routine returns the login name of the user associated with the current session, as previously set by setlogin(). The name is normally associated with a login shell at the time a session... |
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setpgid(2) -- set process group
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setpgid() sets the process group of the specified process pid to the specified pgrp. If pid is zero, then the call applies to the current process. If the invoker is not the superuser, then the affecte... |
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setpgrp(2) -- set process group
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setpgid() sets the process group of the specified process pid to the specified pgrp. If pid is zero, then the call applies to the current process. If the invoker is not the superuser, then the affecte... |
