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freebsd-src/filemon/filemon.h

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Import bmake-20220204 Features of interest: Allow setting target local variables (similar to gmake) In META_MODE .MAKE.META.CMP_FILTER can be used for filtering commands before comparion. contrib/bmake/mk/cc-wrap.mk is an example of using these See ChangeLog for the gory details.
2022-02-05 20:03:50 +00:00
/* $NetBSD: filemon.h,v 1.6 2021/12/15 12:08:25 rillig Exp $ */
Import bmake-20200517 Changes since 20181221 are mostly portability related hence the large gap in versions imported. There are however some bug fixes, and a rework of filemon handling. In NetBSD make/filemon/filemon_ktrace.c allows use of fktrace and elimination of filemon(4) which has not had the TLC it needs. FreeBSD filemon(4) is in much better shape, so bmake/filemon/filemon_dev.c allows use of that, with a bit less overhead than the ktrace model. Summary of changes from ChangeLog o str.c: empty string does not match % pattern plus unit-test changes o var.c: import handling of old sysV style modifier using '%' o str.c: refactor brk_string o meta.c: meta_oodate, CHECK_VALID_META is too aggressive for CMD a blank command is perfectly valid. o meta.c: meta_oodate, check for corrupted meta file earlier and more often. * meta.c: meta_compat_parent check for USE_FILEMON patch from Soeren Tempel o meta.c: fix compat mode, need to call meta_job_output() o job.c: extra fds for meta mode not needed if using filemon_dev o meta.c: avoid passing NULL to filemon_*() when meta_needed() returns FALSE. o filemon/filemon_{dev,ktrace}.c: allow selection of filemon implementation. filemon_dev.c uses the kernel module while filemon_ktrace.c leverages the fktrace api available in NetBSD. filemon_ktrace.c can hopefully form the basis for adding support for other tracing mechanisms such as strace on Linux. o meta.c: when target is out-of-date per normal make rules record value of .OODATE in meta file. o parse.c: don't pass NULL to realpath(3) some versions cannot handle it. o parse.c: ParseDoDependency: free paths rather than assert plus more unit-tests
2020-05-20 19:34:48 +00:00
Import bmake-20210206 Changes of interest o unit-tests: use private TMPDIR to avoid errors from other users o avoid strdup in mkTempFile o always use vfork o job.c: do not create empty shell files in jobs mode reduce unnecessary calls to waitpid o cond.c: fix debug output for comparison operators in conditionals
2021-02-11 01:51:11 +00:00
/*
Import bmake-20200517 Changes since 20181221 are mostly portability related hence the large gap in versions imported. There are however some bug fixes, and a rework of filemon handling. In NetBSD make/filemon/filemon_ktrace.c allows use of fktrace and elimination of filemon(4) which has not had the TLC it needs. FreeBSD filemon(4) is in much better shape, so bmake/filemon/filemon_dev.c allows use of that, with a bit less overhead than the ktrace model. Summary of changes from ChangeLog o str.c: empty string does not match % pattern plus unit-test changes o var.c: import handling of old sysV style modifier using '%' o str.c: refactor brk_string o meta.c: meta_oodate, CHECK_VALID_META is too aggressive for CMD a blank command is perfectly valid. o meta.c: meta_oodate, check for corrupted meta file earlier and more often. * meta.c: meta_compat_parent check for USE_FILEMON patch from Soeren Tempel o meta.c: fix compat mode, need to call meta_job_output() o job.c: extra fds for meta mode not needed if using filemon_dev o meta.c: avoid passing NULL to filemon_*() when meta_needed() returns FALSE. o filemon/filemon_{dev,ktrace}.c: allow selection of filemon implementation. filemon_dev.c uses the kernel module while filemon_ktrace.c leverages the fktrace api available in NetBSD. filemon_ktrace.c can hopefully form the basis for adding support for other tracing mechanisms such as strace on Linux. o meta.c: when target is out-of-date per normal make rules record value of .OODATE in meta file. o parse.c: don't pass NULL to realpath(3) some versions cannot handle it. o parse.c: ParseDoDependency: free paths rather than assert plus more unit-tests
2020-05-20 19:34:48 +00:00
* Copyright (c) 2019 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
Import bmake-20201101 Lots of new unit-tests increase code coverage. Lots of refactoring, cleanup and simlpification to reduce code size. Fixes for Bug 223564 and 245807 Updates to dirdeps.mk and meta2deps.py
2020-11-07 19:39:21 +00:00
#ifndef MAKE_FILEMON_H
Import bmake-20210110 Quite a lot of churn on style, but lots of good work refactoring complicated functions and lots more unit-tests. Thanks mostly to rillig at NetBSD Some interesting entries from ChangeLog o .MAKE.{UID,GID} represent uid and gid running make. o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable checks in InitObjdir. Explicit .OBJDIR target always allows read-only directory. o add more unit tests for META MODE Change-Id: I4d3bcf08b4c864d98b343f602efe5a75dbfa7a94
2021-01-14 01:24:34 +00:00
#define MAKE_FILEMON_H
Import bmake-20200517 Changes since 20181221 are mostly portability related hence the large gap in versions imported. There are however some bug fixes, and a rework of filemon handling. In NetBSD make/filemon/filemon_ktrace.c allows use of fktrace and elimination of filemon(4) which has not had the TLC it needs. FreeBSD filemon(4) is in much better shape, so bmake/filemon/filemon_dev.c allows use of that, with a bit less overhead than the ktrace model. Summary of changes from ChangeLog o str.c: empty string does not match % pattern plus unit-test changes o var.c: import handling of old sysV style modifier using '%' o str.c: refactor brk_string o meta.c: meta_oodate, CHECK_VALID_META is too aggressive for CMD a blank command is perfectly valid. o meta.c: meta_oodate, check for corrupted meta file earlier and more often. * meta.c: meta_compat_parent check for USE_FILEMON patch from Soeren Tempel o meta.c: fix compat mode, need to call meta_job_output() o job.c: extra fds for meta mode not needed if using filemon_dev o meta.c: avoid passing NULL to filemon_*() when meta_needed() returns FALSE. o filemon/filemon_{dev,ktrace}.c: allow selection of filemon implementation. filemon_dev.c uses the kernel module while filemon_ktrace.c leverages the fktrace api available in NetBSD. filemon_ktrace.c can hopefully form the basis for adding support for other tracing mechanisms such as strace on Linux. o meta.c: when target is out-of-date per normal make rules record value of .OODATE in meta file. o parse.c: don't pass NULL to realpath(3) some versions cannot handle it. o parse.c: ParseDoDependency: free paths rather than assert plus more unit-tests
2020-05-20 19:34:48 +00:00
#include <sys/types.h>
struct filemon;
const char *
filemon_path(void);
struct filemon *
filemon_open(void);
int filemon_close(struct filemon *);
int filemon_setfd(struct filemon *, int);
void filemon_setpid_parent(struct filemon *, pid_t);
int filemon_setpid_child(const struct filemon *, pid_t);
int filemon_readfd(const struct filemon *);
int filemon_process(struct filemon *);
Import bmake-20220204 Features of interest: Allow setting target local variables (similar to gmake) In META_MODE .MAKE.META.CMP_FILTER can be used for filtering commands before comparion. contrib/bmake/mk/cc-wrap.mk is an example of using these See ChangeLog for the gory details.
2022-02-05 20:03:50 +00:00
#endif
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