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darcs-hash:20080109012338-75c98-745297861fd11ec82e062a79fe1d15c9084342f1.gz
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liljencrantz
2008-01-09 11:23:38 +10:00
parent e3d3a1062d
commit 394776c56b
4 changed files with 84 additions and 25 deletions
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75
proc.h
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@@ -229,24 +229,53 @@ typedef struct process
*/
#define JOB_TERMINAL 256
/** A pipeline of one or more processes. */
/**
A struct represeting a job. A job is basically a pipeline of one
or more processes and a couple of flags.
*/
typedef struct job
{
/** command line, used for messages */
/**
The original command which led to the creation of this
job. It is used for displaying messages about job status
on the terminal.
*/
wchar_t *command;
/** list of processes in this job */
/**
A linked list of all the processes in this job.
*/
process_t *first_process;
/** process group ID */
/**
process group ID for the process group that this job is
running in.
*/
pid_t pgid;
/** saved terminal modes */
struct termios tmodes;
/** The job id of the job*/
/**
The saved terminal modes of this job. This needs to be
saved so that we can restore the terminal to the same
state after temporarily taking control over the terminal
when a job stops.
*/
struct termios tmodes;
/**
The job id of the job. This is a small integer that is a
unique identifier of the job within this shell, and is
used e.g. in process expansion.
*/
int job_id;
/** List of IO redrections for the job */
/**
List of all IO redirections for this job
*/
io_data_t *io;
/** Pointer to the next job */
/**
A pointer to the next job in the job queue
*/
struct job *next;
/**
@@ -283,21 +312,21 @@ extern int is_interactive_session;
extern int is_login;
/**
Whether we are a event handler
Whether we are running an event handler
*/
extern int is_event;
/**
Linked list of all jobs
Linked list of all living jobs
*/
extern job_t *first_job;
/**
Whether a universal variable barrier roundtrip has already been
made for this command. Such a roundtrip only needs to be done once
on a given command, unless a unversal variable value is
changed. Once this has been done, this variable is set to 1, so
that no more roundtrips need to be done.
made for the currently executing command. Such a roundtrip only
needs to be done once on a given command, unless a universal
variable value is changed. Once this has been done, this variable
is set to 1, so that no more roundtrips need to be done.
Both setting it to one when it should be zero and the opposite may
cause concurrency bugs.
@@ -310,17 +339,27 @@ extern int proc_had_barrier;
extern pid_t proc_last_bg_pid;
/**
Can be one of JOB_CONTROL_ALL, JOB_CONTROL_INTERACTIVE and JOB_CONTROL_NONE
The current job control mode.
Must be one of JOB_CONTROL_ALL, JOB_CONTROL_INTERACTIVE and JOB_CONTROL_NONE
*/
extern int job_control_mode;
/**
If this flag is set, fish will never fork or run execve.
*/
If this flag is set, fish will never fork or run execve. It is used
to put fish into a syntax verifier mode where fish tries to validate
the syntax of a file but doesn't actually do anything.
*/
extern int no_exec;
/**
Add the specified flag to the bitset of flags for the specified job
*/
void job_set_flag( job_t *j, int flag, int set );
/**
Returns one if the specified flag is set in the specified job, 0 otherwise.
*/
int job_get_flag( job_t *j, int flag );
/**