X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/dacbc44ca3fc825c9e5ffa799f1a0937c1da0020..0fa30f3361e5876a7d0734e891f7386675775c8e:/src/process.h diff --git a/src/process.h b/src/process.h index 860983c6fc..00fd6be9e4 100644 --- a/src/process.h +++ b/src/process.h @@ -27,9 +27,11 @@ along with GNU Emacs. If not, see . */ #endif INLINE_HEADER_BEGIN -#ifndef PROCESS_INLINE -# define PROCESS_INLINE INLINE -#endif + +/* Bound on number of file descriptors opened on behalf of a process, + that need to be closed. */ + +enum { PROCESS_OPEN_FDS = 6 }; /* This structure records information about a subprocess or network connection. */ @@ -115,6 +117,9 @@ struct Lisp_Process int infd; /* Descriptor by which we write to this process */ int outfd; + /* Descriptors that were created for this process and that need + closing. Unused entries are negative. */ + int open_fd[PROCESS_OPEN_FDS]; /* Event-count of last event in which this process changed status. */ EMACS_INT tick; /* Event-count of last such event reported. */ @@ -133,20 +138,23 @@ struct Lisp_Process 0 = nil, 1 = t, 2 = other. */ unsigned int adaptive_read_buffering : 2; /* Skip reading this process on next read. */ - unsigned int read_output_skip : 1; - /* Non-nil means kill silently if Emacs is exited. + bool_bf read_output_skip : 1; + /* True means kill silently if Emacs is exited. This is the inverse of the `query-on-exit' flag. */ - unsigned int kill_without_query : 1; - /* Non-nil if communicating through a pty. */ - unsigned int pty_flag : 1; + bool_bf kill_without_query : 1; + /* True if communicating through a pty. */ + bool_bf pty_flag : 1; /* Flag to set coding-system of the process buffer from the coding_system used to decode process output. */ - unsigned int inherit_coding_system_flag : 1; + bool_bf inherit_coding_system_flag : 1; + /* Whether the process is alive, i.e., can be waited for. Running + processes can be waited for, but exited and fake processes cannot. */ + bool_bf alive : 1; /* Record the process status in the raw form in which it comes from `wait'. This is to avoid consing in a signal handler. The `raw_status_new' flag indicates that `raw_status' contains a new status that still needs to be synced to `status'. */ - unsigned int raw_status_new : 1; + bool_bf raw_status_new : 1; int raw_status; #ifdef HAVE_GNUTLS @@ -156,7 +164,7 @@ struct Lisp_Process gnutls_anon_client_credentials_t gnutls_anon_cred; int gnutls_log_level; int gnutls_handshakes_tried; - int gnutls_p; + bool_bf gnutls_p : 1; #endif }; @@ -168,40 +176,23 @@ struct Lisp_Process /* Most code should use these functions to set Lisp fields in struct process. */ -PROCESS_INLINE void +INLINE void pset_childp (struct Lisp_Process *p, Lisp_Object val) { p->childp = val; } #ifdef HAVE_GNUTLS -PROCESS_INLINE void +INLINE void pset_gnutls_cred_type (struct Lisp_Process *p, Lisp_Object val) { p->gnutls_cred_type = val; } #endif -/* True if we are about to fork off a synchronous process or if we - are waiting for it. */ -extern bool synch_process_alive; - -/* Communicate exit status of sync process to from sigchld_handler - to Fcall_process. */ - -/* Nonzero => this is a string explaining death of synchronous subprocess. */ -extern const char *synch_process_death; - -/* Nonzero => this is the signal number that terminated the subprocess. */ -extern int synch_process_termsig; - -/* If synch_process_death is zero, - this is exit code of synchronous subprocess. */ -extern int synch_process_retcode; - -/* Nonzero means don't run process sentinels. This is used +/* True means don't run process sentinels. This is used when exiting. */ -extern int inhibit_sentinels; +extern bool inhibit_sentinels; extern Lisp_Object Qeuid, Qegid, Qcomm, Qstate, Qppid, Qpgrp, Qsess, Qttname; extern Lisp_Object Qminflt, Qmajflt, Qcminflt, Qcmajflt, Qutime, Qstime; @@ -212,12 +203,36 @@ extern Lisp_Object QCspeed; extern Lisp_Object QCbytesize, QCstopbits, QCparity, Qodd, Qeven; extern Lisp_Object QCflowcontrol, Qhw, Qsw, QCsummary; +/* Exit statuses for GNU programs that exec other programs. */ +enum +{ + EXIT_CANCELED = 125, /* Internal error prior to exec attempt. */ + EXIT_CANNOT_INVOKE = 126, /* Program located, but not usable. */ + EXIT_ENOENT = 127 /* Could not find program to exec. */ +}; + +/* Defined in callproc.c. */ + +extern void block_child_signal (void); +extern void unblock_child_signal (void); +extern Lisp_Object encode_current_directory (void); +extern void record_kill_process (struct Lisp_Process *, Lisp_Object); + +/* Defined in sysdep.c. */ + extern Lisp_Object list_system_processes (void); extern Lisp_Object system_process_attributes (Lisp_Object); +/* Defined in process.c. */ + +extern void record_deleted_pid (pid_t, Lisp_Object); +struct sockaddr; +#ifdef WINDOWSNT +extern Lisp_Object conv_sockaddr_to_lisp (struct sockaddr *, int); +#endif extern void hold_keyboard_input (void); extern void unhold_keyboard_input (void); -extern int kbd_on_hold_p (void); +extern bool kbd_on_hold_p (void); typedef void (*fd_callback) (int fd, void *data); @@ -225,5 +240,13 @@ extern void add_read_fd (int fd, fd_callback func, void *data); extern void delete_read_fd (int fd); extern void add_write_fd (int fd, fd_callback func, void *data); extern void delete_write_fd (int fd); +#ifdef NS_IMPL_GNUSTEP +extern void catch_child_signal (void); +#endif + +#ifdef WINDOWSNT +extern Lisp_Object network_interface_list (void); +extern Lisp_Object network_interface_info (Lisp_Object); +#endif INLINE_HEADER_END