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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-11-19 16:06:46 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-11-19 16:06:46 +0000 |
commit | c4dddee3f5d2714e0a5cb9a137cb01e7cf2adf2a (patch) | |
tree | 4ff7c2624fe2f3d21024fd67d15dbb78a03e934e /doc/posix_users/process.t | |
parent | New files (diff) | |
download | rtems-c4dddee3f5d2714e0a5cb9a137cb01e7cf2adf2a.tar.bz2 |
Major update/merge of POSIX manual.
Diffstat (limited to 'doc/posix_users/process.t')
-rw-r--r-- | doc/posix_users/process.t | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/doc/posix_users/process.t b/doc/posix_users/process.t new file mode 100644 index 0000000000..7b5bece910 --- /dev/null +++ b/doc/posix_users/process.t @@ -0,0 +1,414 @@ +@c +@c COPYRIGHT (c) 1988-1998. +@c On-Line Applications Research Corporation (OAR). +@c All rights reserved. +@c +@c $Id$ +@c + +@chapter Process Creation and Execution Manager + +@section Introduction + +The process creation and execution manager is ... + +The directives provided by the process creation and execution manager are: + +@itemize @bullet +@item @code{fork} - Create a Process +@item @code{execl} - Execute a File +@item @code{execv} - Execute a File +@item @code{execle} - Execute a File +@item @code{execve} - Execute a File +@item @code{execlp} - Execute a File +@item @code{execvp} - Execute a File +@item @code{pthread_atfork} - Register Fork Handlers +@item @code{wait} - Wait for Process Termination +@item @code{waitpid} - Wait for Process Termination +@item @code{_exit} - Terminate a Process +@end itemize + +@section Background + +There is currently no text in this section. + +@section Operations + +There is currently no text in this section. + +@section Directives + +This section details the process creation and execution manager's directives. +A subsection is dedicated to each of this manager's directives +and describes the calling sequence, related constants, usage, +and status codes. + +@page +@subsection fork - Create a Process + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +#include <sys/types.h> + +int fork( void ); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execl - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execl( + const char *path, + const char *arg, + ... +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execv - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execv( + const char *path, + char const *argv[], + ... +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execle - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execle( + const char *path, + const char *arg, + ... +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execve - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execve( + const char *path, + char *const argv[], + char *const envp[] +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execlp - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execlp( + const char *file, + const char *arg, + ... +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection execvp - Execute a File + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int execvp( + const char *file, + char *const argv[] + ... +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection pthread_atfork - Register Fork Handlers + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +#include <sys/types.h> + +int pthread_atfork( + void (*prepare)(void), + void (*parent)(void), + void (*child)(void) +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection wait - Wait for Process Termination + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +#include <sys/types.h> +#include <sys/wait.h> + +int wait( + int *stat_loc +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection waitpid - Wait for Process Termination + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +int wait( + pid_t pid, + int *stat_loc, + int options +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +@table @b +@item ENOSYS +This routine is not supported by RTEMS. + +@end table + +@subheading DESCRIPTION: + +This routine is not supported by RTEMS. + +@subheading NOTES: + +NONE + +@page +@subsection _exit - Terminate a Process + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +void _exit( + int status +); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading STATUS CODES: + +NONE + +@subheading DESCRIPTION: + +The @code{_exit()} function terminates the calling process. + +@subheading NOTES: + +In RTEMS, a process is equivalent to the entire application on a single +processor. Invoking this service terminates the application. |