diff options
Diffstat (limited to 'man3/pthread_setcancelstate.3')
| -rw-r--r-- | man3/pthread_setcancelstate.3 | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/man3/pthread_setcancelstate.3 b/man3/pthread_setcancelstate.3 index 5fd0d27..40b0a6e 100644 --- a/man3/pthread_setcancelstate.3 +++ b/man3/pthread_setcancelstate.3 @@ -4,7 +4,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH pthread_setcancelstate 3 2023-07-30 "Linux man-pages 6.05.01" +.TH pthread_setcancelstate 3 2023-10-31 "Linux man-pages 6.7" .SH NAME pthread_setcancelstate, pthread_setcanceltype \- set cancelability state and type @@ -14,7 +14,7 @@ POSIX threads library .SH SYNOPSIS .nf .B #include <pthread.h> -.PP +.P .BI "int pthread_setcancelstate(int " state ", int *" oldstate ); .BI "int pthread_setcanceltype(int " type ", int *" oldtype ); .fi @@ -42,7 +42,7 @@ will respond to a cancelation request. The thread is not cancelable. If a cancelation request is received, it is blocked until cancelability is enabled. -.PP +.P The .BR pthread_setcanceltype () sets the cancelability type of the calling thread to the value @@ -72,7 +72,7 @@ The thread can be canceled at any time. (Typically, it will be canceled immediately upon receiving a cancelation request, but the system doesn't guarantee this.) -.PP +.P The set-and-get operation performed by each of these functions is atomic with respect to other threads in the process calling the same function. @@ -87,7 +87,7 @@ can fail with the following error: .B EINVAL Invalid value for .IR state . -.PP +.P The .BR pthread_setcanceltype () can fail with the following error: @@ -124,7 +124,6 @@ T} Async-cancel safety T{ AC-Safe T} .TE -.sp 1 .SH STANDARDS POSIX.1-2008. .SH HISTORY @@ -133,7 +132,7 @@ POSIX.1-2001. .SH NOTES For details of what happens when a thread is canceled, see .BR \%pthread_cancel (3). -.PP +.P Briefly disabling cancelability is useful if a thread performs some critical action that must not be interrupted by a cancelation request. @@ -159,7 +158,7 @@ Furthermore, some internal data structures family of functions) may be left in an inconsistent state if cancelation occurs in the middle of the function call. Consequently, clean-up handlers cease to be useful. -.PP +.P Functions that can be safely asynchronously canceled are called .IR "async-cancel-safe functions" . POSIX.1-2001 and POSIX.1-2008 require only that @@ -170,7 +169,7 @@ and be async-cancel-safe. In general, other library functions can't be safely called from an asynchronously cancelable thread. -.PP +.P One of the few circumstances in which asynchronous cancelability is useful is for cancelation of a thread that is in a pure compute-bound loop. .SS Portability notes |