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sortix--sortix/kernel/include/sortix/sigprocmask.h

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Relicense Sortix to the ISC license. I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2016-03-02 17:38:16 -05:00
/*
* Copyright (c) 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/sigprocmask.h
* Declares flags for sigprocmask.
*/
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
Standardize header include guards. This change makes all the standard library and kernel headers use header guards with a consistent scheme within the reserved namespace to avoid conflicts with non-standard-library-implementation code.
2022-07-07 19:09:15 -04:00
#ifndef _INCLUDE_SORTIX_SIGPROCMASK_H
#define _INCLUDE_SORTIX_SIGPROCMASK_H
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
Split parts of <features.h> into <sys/cdefs.h>.
2013-10-13 07:04:27 -04:00
#include <sys/cdefs.h>
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
Remove __BEGIN_DECLS and __END_DECLS.
2015-05-13 12:11:02 -04:00
#ifdef __cplusplus
extern "C" {
#endif
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
Implement signals. Note: This is an incompatible ABI change.
2013-08-04 14:24:59 -04:00
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
Remove __BEGIN_DECLS and __END_DECLS.
2015-05-13 12:11:02 -04:00
#ifdef __cplusplus
} /* extern "C" */
#endif
Added sforkr(2) that controls the child registers as well. sfork(2) now calls sforkr(2) with the current registers. This will prove useful in creating threads, where user-space now can fully control what state the child will start in. This is unlike the Linux clone system call that accepts a pointer to the child stack; this is more powerful and somehow simpler. Note that this will create a rather raw thread; no thread initization has been done by the standard thread API (when it is implemented), so this feature shouldn't be used by programmers unless they know what they are doing. fork(2) now calls sfork(2) directly. Also removed fork(2) and sfork(2) from the kernel as they are done using sforkr(2) now. So technically they aren't system calls right now, but that could always change.
2012-04-05 17:00:47 -04:00
#endif
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