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Some changes to migrate towards C++ and a multithreaded model

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ridiculousfish
2011-12-26 19:18:46 -08:00
parent 3f16ace678
commit 8d2f107d61
90 changed files with 7368 additions and 5981 deletions
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118
proc.h
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@@ -1,11 +1,11 @@
/** \file proc.h
/** \file proc.h
Prototypes for utilities for keeping track of jobs, processes and subshells, as
well as signal handling functions for tracking children. These
functions do not themselves launch new processes, the exec library
will call proc to create representations of the running jobs as
needed.
*/
#ifndef FISH_PROC_H
@@ -78,19 +78,19 @@ enum
A buffer
*/
INTERNAL_BUFFER,
}
;
enum
{
JOB_CONTROL_ALL,
JOB_CONTROL_ALL,
JOB_CONTROL_INTERACTIVE,
JOB_CONTROL_NONE,
}
;
/**
/**
A structure representing a single fish process. Contains variables
for tracking process state and the process argument
list. Actually, a fish process can be either a regular externa
@@ -125,7 +125,7 @@ enum
*/
typedef struct process
{
/**
/**
Type of process. Can be one of \c EXTERNAL, \c
INTERNAL_BUILTIN, \c INTERNAL_FUNCTION, \c INTERNAL_BLOCK,
INTERNAL_EXEC, or INTERNAL_BUFFER
@@ -136,7 +136,7 @@ typedef struct process
wchar_t **argv;
/** actual command to pass to exec in case of EXTERNAL or INTERNAL_EXEC */
wchar_t *actual_cmd;
wchar_t *actual_cmd;
/** process ID */
pid_t pid;
@@ -160,29 +160,29 @@ typedef struct process
int count_help_magic;
/** next process in pipeline */
struct process *next;
struct process *next;
#ifdef HAVE__PROC_SELF_STAT
/** Last time of cpu time check */
struct timeval last_time;
/** Number of jiffies spent in process at last cpu time check */
unsigned long last_jiffies;
unsigned long last_jiffies;
#endif
}
}
process_t;
/**
/**
Constant for the flag variable in the job struct
true if user was told about stopped job
true if user was told about stopped job
*/
#define JOB_NOTIFIED 1
/**
/**
Constant for the flag variable in the job struct
Whether this job is in the foreground
Whether this job is in the foreground
*/
#define JOB_FOREGROUND 2
/**
/**
Constant for the flag variable in the job struct
Whether the specified job is completely constructed,
@@ -196,130 +196,130 @@ typedef struct process
Whether the specified job is a part of a subshell, event handler or some other form of special job that should not be reported
*/
#define JOB_SKIP_NOTIFICATION 8
/**
/**
Constant for the flag variable in the job struct
Should the exit status be negated? This flag can only be set by the not builtin.
Should the exit status be negated? This flag can only be set by the not builtin.
*/
#define JOB_NEGATE 16
/**
/**
Constant for the flag variable in the job struct
This flag is set to one on wildcard expansion errors. It means that the current command should not be executed
This flag is set to one on wildcard expansion errors. It means that the current command should not be executed
*/
#define JOB_WILDCARD_ERROR 32
/**
/**
Constant for the flag variable in the job struct
Skip executing this job. This flag is set by the short-circut builtins, i.e. and and or
Skip executing this job. This flag is set by the short-circut builtins, i.e. and and or
*/
#define JOB_SKIP 64
/**
/**
Constant for the flag variable in the job struct
Whether the job is under job control
Whether the job is under job control
*/
#define JOB_CONTROL 128
/**
/**
Constant for the flag variable in the job struct
Whether the job wants to own the terminal when in the foreground
Whether the job wants to own the terminal when in the foreground
*/
#define JOB_TERMINAL 256
/**
/**
A struct represeting a job. A job is basically a pipeline of one
or more processes and a couple of flags.
*/
typedef struct job
{
/**
/**
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;
/**
wchar_t *command;
/**
A linked list of all the processes in this job.
*/
process_t *first_process;
/**
process_t *first_process;
/**
process group ID for the process group that this job is
running in.
running in.
*/
pid_t pgid;
/**
pid_t pgid;
/**
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.
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 all IO redirections for this job
List of all IO redirections for this job
*/
io_data_t *io;
/**
A pointer to the next job in the job queue
/**
A pointer to the next job in the job queue
*/
struct job *next;
struct job *next;
/**
Bitset containing information about the job. A combination of the JOB_* constants.
*/
int flags;
}
}
job_t;
/**
Whether we are running a subshell command
/**
Whether we are running a subshell command
*/
extern int is_subshell;
/**
Whether we are running a block of commands
/**
Whether we are running a block of commands
*/
extern int is_block;
/**
/**
Whether we are reading from the keyboard right now
*/
extern int is_interactive;
/**
/**
Whether this shell is attached to the keyboard at all
*/
extern int is_interactive_session;
/**
/**
Whether we are a login shell
*/
extern int is_login;
/**
/**
Whether we are running an event handler
*/
extern int is_event;
/**
Linked list of all living jobs
/**
Linked list of all living jobs
*/
extern job_t *first_job;
extern job_t *first_job;
/**
Whether a universal variable barrier roundtrip has already been
@@ -396,7 +396,7 @@ job_t *job_get(int id);
job_t *job_get_from_pid(int pid);
/**
Tests if the job is stopped
Tests if the job is stopped
*/
int job_is_stopped( const job_t *j );