956e45f6fb
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
216 lines
7.4 KiB
C
216 lines
7.4 KiB
C
/* $NetBSD: job.h,v 1.58 2020/10/26 21:34:10 rillig Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* from: @(#)job.h 8.1 (Berkeley) 6/6/93
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1988, 1989 by Adam de Boor
|
|
* Copyright (c) 1989 by Berkeley Softworks
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* from: @(#)job.h 8.1 (Berkeley) 6/6/93
|
|
*/
|
|
|
|
/*
|
|
* Running of jobs in parallel mode.
|
|
*/
|
|
|
|
#ifndef MAKE_JOB_H
|
|
#define MAKE_JOB_H
|
|
|
|
#define TMPPAT "makeXXXXXX" /* relative to tmpdir */
|
|
|
|
#ifdef USE_SELECT
|
|
/*
|
|
* Emulate poll() in terms of select(). This is not a complete
|
|
* emulation but it is sufficient for make's purposes.
|
|
*/
|
|
|
|
#define poll emul_poll
|
|
#define pollfd emul_pollfd
|
|
|
|
struct emul_pollfd {
|
|
int fd;
|
|
short events;
|
|
short revents;
|
|
};
|
|
|
|
#define POLLIN 0x0001
|
|
#define POLLOUT 0x0004
|
|
|
|
int
|
|
emul_poll(struct pollfd *fd, int nfd, int timeout);
|
|
#endif
|
|
|
|
/*
|
|
* The POLL_MSEC constant determines the maximum number of milliseconds spent
|
|
* in poll before coming out to see if a child has finished.
|
|
*/
|
|
#define POLL_MSEC 5000
|
|
|
|
struct pollfd;
|
|
|
|
|
|
#ifdef USE_META
|
|
# include "meta.h"
|
|
#endif
|
|
|
|
typedef enum JobState {
|
|
JOB_ST_FREE = 0, /* Job is available */
|
|
JOB_ST_SETUP = 1, /* Job is allocated but otherwise invalid */
|
|
JOB_ST_RUNNING = 3, /* Job is running, pid valid */
|
|
JOB_ST_FINISHED = 4 /* Job is done (ie after SIGCHILD) */
|
|
} JobState;
|
|
|
|
typedef enum JobFlags {
|
|
/* Ignore non-zero exits */
|
|
JOB_IGNERR = 0x001,
|
|
/* no output */
|
|
JOB_SILENT = 0x002,
|
|
/* Target is a special one. i.e. run it locally
|
|
* if we can't export it and maxLocal is 0 */
|
|
JOB_SPECIAL = 0x004,
|
|
/* Ignore "..." lines when processing commands */
|
|
JOB_IGNDOTS = 0x008,
|
|
/* we've sent 'set -x' */
|
|
JOB_TRACED = 0x400
|
|
} JobFlags;
|
|
|
|
/* A Job manages the shell commands that are run to create a single target.
|
|
* Each job is run in a separate subprocess by a shell. Several jobs can run
|
|
* in parallel.
|
|
*
|
|
* The shell commands for the target are written to a temporary file,
|
|
* then the shell is run with the temporary file as stdin, and the output
|
|
* of that shell is captured via a pipe.
|
|
*
|
|
* When a job is finished, Make_Update updates all parents of the node
|
|
* that was just remade, marking them as ready to be made next if all
|
|
* other dependencies are finished as well. */
|
|
typedef struct Job {
|
|
/* The process ID of the shell running the commands */
|
|
int pid;
|
|
|
|
/* The target the child is making */
|
|
GNode *node;
|
|
|
|
/* If one of the shell commands is "...", all following commands are
|
|
* delayed until the .END node is made. This list node points to the
|
|
* first of these commands, if any. */
|
|
StringListNode *tailCmds;
|
|
|
|
/* When creating the shell script, this is where the commands go.
|
|
* This is only used before the job is actually started. */
|
|
FILE *cmdFILE;
|
|
|
|
int exit_status; /* from wait4() in signal handler */
|
|
|
|
JobState job_state; /* status of the job entry */
|
|
|
|
char job_suspended;
|
|
|
|
JobFlags flags; /* Flags to control treatment of job */
|
|
|
|
int inPipe; /* Pipe for reading output from job */
|
|
int outPipe; /* Pipe for writing control commands */
|
|
struct pollfd *inPollfd; /* pollfd associated with inPipe */
|
|
|
|
#define JOB_BUFSIZE 1024
|
|
/* Buffer for storing the output of the job, line by line. */
|
|
char outBuf[JOB_BUFSIZE + 1];
|
|
size_t curPos; /* Current position in outBuf. */
|
|
|
|
#ifdef USE_META
|
|
struct BuildMon bm;
|
|
#endif
|
|
} Job;
|
|
|
|
extern const char *shellPath;
|
|
extern const char *shellName;
|
|
extern char *shellErrFlag;
|
|
|
|
extern int jobTokensRunning; /* tokens currently "out" */
|
|
|
|
void Shell_Init(void);
|
|
const char *Shell_GetNewline(void);
|
|
void Job_Touch(GNode *, Boolean);
|
|
Boolean Job_CheckCommands(GNode *, void (*abortProc)(const char *, ...));
|
|
void Job_CatchChildren(void);
|
|
void Job_CatchOutput(void);
|
|
void Job_Make(GNode *);
|
|
void Job_Init(void);
|
|
Boolean Job_ParseShell(char *);
|
|
int Job_Finish(void);
|
|
void Job_End(void);
|
|
void Job_Wait(void);
|
|
void Job_AbortAll(void);
|
|
void Job_TokenReturn(void);
|
|
Boolean Job_TokenWithdraw(void);
|
|
void Job_ServerStart(int, int, int);
|
|
void Job_SetPrefix(void);
|
|
Boolean Job_RunTarget(const char *, const char *);
|
|
|
|
#endif /* MAKE_JOB_H */
|