Linux cli command raise

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command raise and provides detailed information about the command raise, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the raise.

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NAME 🖥️ raise 🖥️

send a signal to the caller

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <signal.h>
int raise(int sig);

DESCRIPTION

The raise() function sends a signal to the calling process or thread. In a single-threaded program it is equivalent to

kill(getpid(), sig);

In a multithreaded program it is equivalent to

pthread_kill(pthread_self(), sig);

If the signal causes a handler to be called, raise() will return only after the signal handler has returned.

RETURN VALUE

raise() returns 0 on success, and nonzero for failure.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

InterfaceAttributeValue

raise()

Thread safetyMT-Safe

STANDARDS

C11, POSIX.1-2008.

HISTORY

POSIX.1-2001, C89.

Since glibc 2.3.3, raise() is implemented by calling tgkill(2), if the kernel supports that system call. Older glibc versions implemented raise() using kill(2).

SEE ALSO

getpid(2), kill(2), sigaction(2), signal(2), pthread_kill(3), signal(7)

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