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Diffstat (limited to 'man3/pthread_attr_setstack.3')
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diff --git a/man3/pthread_attr_setstack.3 b/man3/pthread_attr_setstack.3 deleted file mode 100644 index 1cf976b..0000000 --- a/man3/pthread_attr_setstack.3 +++ /dev/null @@ -1,164 +0,0 @@ -'\" t -.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH pthread_attr_setstack 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -pthread_attr_setstack, pthread_attr_getstack \- set/get stack -attributes in thread attributes object -.SH LIBRARY -POSIX threads library -.RI ( libpthread ", " \-lpthread ) -.SH SYNOPSIS -.nf -.B #include <pthread.h> -.P -.BI "int pthread_attr_setstack(pthread_attr_t *" attr , -.BI " void " stackaddr [. stacksize ], -.BI " size_t " stacksize ); -.BI "int pthread_attr_getstack(const pthread_attr_t *restrict " attr , -.BI " void **restrict " stackaddr , -.BI " size_t *restrict " stacksize ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -.BR pthread_attr_getstack (), -.BR pthread_attr_setstack (): -.nf - _POSIX_C_SOURCE >= 200112L -.fi -.SH DESCRIPTION -The -.BR pthread_attr_setstack () -function sets the stack address and stack size attributes of the -thread attributes object referred to by -.I attr -to the values specified in -.I stackaddr -and -.IR stacksize , -respectively. -These attributes specify the location and size of the stack that should -be used by a thread that is created using the thread attributes object -.IR attr . -.P -.I stackaddr -should point to the lowest addressable byte of a buffer of -.I stacksize -bytes that was allocated by the caller. -The pages of the allocated buffer should be both readable and writable. -.P -The -.BR pthread_attr_getstack () -function returns the stack address and stack size attributes of the -thread attributes object referred to by -.I attr -in the buffers pointed to by -.I stackaddr -and -.IR stacksize , -respectively. -.SH RETURN VALUE -On success, these functions return 0; -on error, they return a nonzero error number. -.SH ERRORS -.BR pthread_attr_setstack () -can fail with the following error: -.TP -.B EINVAL -.I stacksize -is less than -.B PTHREAD_STACK_MIN -(16384) bytes. -On some systems, this error may also occur if -.I stackaddr -or -.I stackaddr\~+\~stacksize -is not suitably aligned. -.P -POSIX.1 also documents an -.B EACCES -error if the stack area described by -.I stackaddr -and -.I stacksize -is not both readable and writable by the caller. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR pthread_attr_setstack (), -.BR pthread_attr_getstack () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -POSIX.1-2008. -.SH HISTORY -glibc 2.2. -POSIX.1-2001. -.SH NOTES -These functions are provided for applications that must ensure that -a thread's stack is placed in a particular location. -For most applications, this is not necessary, -and the use of these functions should be avoided. -(Use -.BR pthread_attr_setstacksize (3) -if an application simply requires a stack size other than the default.) -.P -When an application employs -.BR pthread_attr_setstack (), -it takes over the responsibility of allocating the stack. -Any guard size value that was set using -.BR pthread_attr_setguardsize (3) -is ignored. -If deemed necessary, -it is the application's responsibility to allocate a guard area -(one or more pages protected against reading and writing) -to handle the possibility of stack overflow. -.P -The address specified in -.I stackaddr -should be suitably aligned: -for full portability, align it on a page boundary -.RI ( sysconf(_SC_PAGESIZE) ). -.BR posix_memalign (3) -may be useful for allocation. -Probably, -.I stacksize -should also be a multiple of the system page size. -.P -If -.I attr -is used to create multiple threads, then the caller must change the -stack address attribute between calls to -.BR pthread_create (3); -otherwise, the threads will attempt to use the same memory area -for their stacks, and chaos will ensue. -.SH EXAMPLES -See -.BR pthread_attr_init (3). -.SH SEE ALSO -.ad l -.nh -.BR mmap (2), -.BR mprotect (2), -.BR posix_memalign (3), -.BR pthread_attr_init (3), -.BR pthread_attr_setguardsize (3), -.BR pthread_attr_setstackaddr (3), -.BR pthread_attr_setstacksize (3), -.BR pthread_create (3), -.BR pthreads (7) |