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setuid(2) -- Set the user ID
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The setuid() function sets the real user ID, effective user ID, and the saved set user ID to the user_id parameter. To change the real user ID, the effective user ID, and the saved set user ID, the ca... |
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shmat(2) -- Attach a shared memory region
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The shmat() function attaches the shared memory region identified by the shmid parameter to the virtual address space of the calling process. For the addr parameter, the process can specify either an ... |
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shmctl(2) -- Perform shared memory control operations
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The shmctl() function provides a variety of shared memory control operations as specified by the cmd parameter. The cmd values and their operations are as follows: Queries the shared memory region ID ... |
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shmdt(2) -- Detach a shared memory region
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The shmdt() function detaches the shared memory region at the address specified by the addr parameter from the address space of the calling process. Other instances of the region attached at other add... |
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shmget(2) -- Return (and possibly create) the ID for a shared memory region
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The shmget() function returns (and possibly creates) the ID for the shared memory region identified by the key parameter. If IPC_PRIVATE is used for the key parameter, the shmget() function returns th... |
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shutdown(2) -- Shut down socket send and receive operations
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The shutdown() function disables receive and/or send operations on the specified socket. |
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sigaction(2) -- Specify the action to take upon delivery of a signal
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When a process requests the sigaction() function, the process can both examine or specify what action is to be performed when the specified signal is delivered. The parameters determine the behavior o... |
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sigaltstack(2) -- set or get signal alternate stack context
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This function enables another stack area to be defined where signals can be examined for their execution status and processed. If a signal's action, specified by the sigaction(2) function, indicates ... |
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sigblock(2) -- Provide a compatibility interface to the sigprocmask function
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The sigblock() function causes the signals specified by the mask parameter to be added to the set of signals currently being blocked from delivery. The signals are blocked from delivery by logically O... |
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signal(2) -- Modifies signal functions
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The signal function provides compatibility for older versions of the operating system whose function is a subset of the sigaction function. The signal function sets the action associated with a signal... |
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sigpending(2) -- Examine pending signals
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The sigpending() function stores in the object pointed to by the set parameter the set of signals that are blocked from delivery and pending to the calling process. |
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sigprocmask(2) -- Set the current signal mask
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The sigprocmask() function is used to examine or change the signal mask of the calling process. Typically, you would use the sigprocmask (SIG_BLOCK) call to block signals during a critical section of ... |
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sigreturn(2) -- Return from a signal
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The sigreturn() function restores the processor state of the calling process from a sigcontext structure. The sigcontext structure contains the state of all applicationvisible registers as well as the... |
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sigsend(2) -- Send a signal to one or more processes
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The sigsend function sends a signal to a group of processes specified by the id and idtype parameters. The sig parameter specifies the signal to be sent. It contains either a valid signal or a zero (0... |
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sigsendset(2) -- Send a signal to one or more processes
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The sigsend function sends a signal to a group of processes specified by the id and idtype parameters. The sig parameter specifies the signal to be sent. It contains either a valid signal or a zero (0... |
