examine and change a signal action NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc , -l...examine and change a signal action NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc , -l......em V signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.) The sigset () function modifies the disposition o…...em V signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.) The sigset () function modifies the disposition o…...em V signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.) The sigset () function modifies the disposition o…...em V signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.) The sigset () function modifies the disposition o…...and has also varied historically across different versions of Linux. Avoid its use : use sigaction (2) instead. See Portability below. signal () sets the disposition of the sign…...bsd_signal () Thread safety MT-Safe VERSIONS Use of bsd_signal () should be avoided; use sigaction (2) instead. On modern Linux systems, bsd_signal () and signal (2) are equival…...of the signal can obtain the accompanying data by establishing a signal handler with the sigaction (2) SA_SIGINFO flag. These system calls are not intended for direct applicatio…...of the signal can obtain the accompanying data by establishing a signal handler with the sigaction (2) SA_SIGINFO flag. These system calls are not intended for direct applicatio…...BSD signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.). The sigvec () function sets and/or gets the dispo…...BSD signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.). The sigvec () function sets and/or gets the dispo…...BSD signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.). The sigvec () function sets and/or gets the dispo…...BSD signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.). The sigvec () function sets and/or gets the dispo…...BSD signal API. This API is obsolete: new applications should use the POSIX signal API ( sigaction (2), sigprocmask (2), etc.). The sigvec () function sets and/or gets the dispo…...s used during the execution of a signal handler if the establishment of that handler (see sigaction (2)) requested it. The normal sequence of events for using an alternate signa…...s used during the execution of a signal handler if the establishment of that handler (see sigaction (2)) requested it. The normal sequence of events for using an alternate signa…...ysv_signal () Thread safety MT-Safe VERSIONS Use of sysv_signal () should be avoided; use sigaction (2) instead. On older Linux systems, sysv_signal () and signal (2) were equiv…...For further details on this structure (including additional, Linux-specific fields), see sigaction (2). Conforming to : POSIX.1-2001 and later. See also : pidfd_send_signal (2),…...ode lives either in the vdso (7) or in the C library. In the latter case, the C library's sigaction (2) wrapper function informs the kernel of the location of the trampoline cod…