diff options
Diffstat (limited to 'winsup/cygwin/shared.h')
| -rw-r--r-- | winsup/cygwin/shared.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/winsup/cygwin/shared.h b/winsup/cygwin/shared.h index fa14492cb..ed0b83fc3 100644 --- a/winsup/cygwin/shared.h +++ b/winsup/cygwin/shared.h @@ -41,188 +41,6 @@ public: void process_queue (); }; -/******** Process Table ********/ - -/* Signal constants (have to define them here, unfortunately) */ - -enum -{ - __SIGFLUSH = -2, - __SIGSTRACE = -1, - __SIGCHILDSTOPPED = 0, - __SIGOFFSET = 3 -}; - -class pinfo -{ - public: - - /* If hProcess is set, it's because it came from a - CreateProcess call. This means it's process relative - to the thing which created the process. That's ok because - we only use this handle from the parent. */ - HANDLE hProcess; - - HANDLE parent_alive; - - /* dwProcessId contains the processid used for sending signals. It - * will be reset in a child process when it is capable of receiving - * signals. - */ - DWORD dwProcessId; - - /* User information. - The information is derived from the GetUserName system call, - with the name looked up in /etc/passwd and assigned a default value - if not found. This data resides in the shared data area (allowing - tasks to store whatever they want here) so it's for informational - purposes only. */ - uid_t uid; /* User ID */ - gid_t gid; /* Group ID */ - pid_t pgid; /* Process group ID */ - pid_t sid; /* Session ID */ - int ctty; /* Control tty */ - mode_t umask; - char username[MAX_USER_NAME]; /* user's name */ - - /* Extendend user information. - The information is derived from the internal_getlogin call - when on a NT system. */ - PSID psid; /* user's SID */ - char sidbuf[MAX_SID_LEN]; /* buffer for user's SID */ - char logsrv[MAX_HOST_NAME]; /* Logon server, may be FQDN */ - char domain[MAX_COMPUTERNAME_LENGTH+1]; /* Logon domain of the user */ - - /* token is needed if sexec should be called. It can be set by a call - to `set_impersonation_token()'. */ - HANDLE token; - BOOL impersonated; - uid_t orig_uid; /* Remains intact also after impersonation */ - uid_t orig_gid; /* Ditto */ - uid_t real_uid; /* Remains intact on seteuid, replaced by setuid */ - gid_t real_gid; /* Ditto */ - - /* Filled when chroot() is called by the process or one of it's parents. - Saved without trailing backslash. */ - char root[MAX_PATH+1]; - size_t rootlen; - - /* Non-zero if process was stopped by a signal. */ - char stopsig; - - struct sigaction& getsig (int); - void copysigs (pinfo *); - sigset_t& getsigmask (); - void setsigmask (sigset_t); - LONG* getsigtodo (int); - HANDLE getthread2signal (); - void setthread2signal (void *); - - /* Resources used by process. */ - long start_time; - struct rusage rusage_self; - struct rusage rusage_children; - -private: - struct sigaction sigs[NSIG]; - sigset_t sig_mask; /* one set for everything to ignore. */ - LONG _sigtodo[NSIG + __SIGOFFSET]; -#ifdef _MT_SAFE - ThreadItem* thread2signal; // NULL means means thread any other means a pthread -#endif - -public: - - /* Pointer to mmap'ed areas for this process. Set up by fork. */ - void *mmap_ptr; - - /* Used to spawn a child for fork(), among other things. */ - char progname[MAX_PATH]; - - #define PINFO_ZERO ((((pinfo *) NULL)->progname + 1) - ((char *) NULL)) - - /* Anything below this point is not zeroed automatically by allocate_pid */ - - /* The pid stays the same, while the hProcess moves due to execs. */ - pid_t pid; - /* Parent process id. */ - pid_t ppid; - - /* Various flags indicating the state of the process. See PID_ - constants below. */ - DWORD process_state; - - void record_death (int lock = 1); -}; - -#define ISSTATE(p, f) (!!((p)->process_state & f)) -#define NOTSTATE(p, f) (!((p)->process_state & f)) - -#define PSIZE 128 - -class pinfo_list -{ - public: - int next_pid; - pinfo vec[PSIZE]; - char lock_info[MAX_PATH + 1]; - pinfo * operator[] (pid_t x); - int size (void) { return PSIZE; } - pinfo *allocate_pid (void); - void init (void); -}; - -void __stdcall pinfo_init (PBYTE); -pinfo *__stdcall procinfo (int n); - -enum -{ - PROC_MAGIC = 0xaf08f000, - PROC_FORK = PROC_MAGIC + 1, - PROC_EXEC = PROC_MAGIC + 2, - PROC_SPAWN = PROC_MAGIC + 3, - PROC_FORK1 = PROC_MAGIC + 4 // Newer versions provide stack - // location information -}; - -#define PROC_MAGIC_MASK 0xff00f000 -#define PROC_MAGIC_GENERIC 0xaf00f000 -#define PROC_MAGIC_VER_MASK 0x0ff0000 - -#define EXEC_MAGIC_SIZE sizeof(child_info) -class child_info -{ -public: - DWORD zero[1]; // must be zeroed - DWORD cb; // size of this record - DWORD type; // type of record - int cygpid; // cygwin pid of child process - HANDLE subproc_ready; // used for synchronization with parent - HANDLE shared_h; - HANDLE console_h; - HANDLE parent_alive; // handle of thread used to track children -}; - -class child_info_fork: public child_info -{ -public: - HANDLE forker_finished;// for synchronization with child - DWORD stacksize; // size of parent stack - void *heaptop; - void *heapbase; - void *heapptr; - jmp_buf jmp; // where child will jump to - void *stacktop; // location of top of parent stack - void *stackbottom; // location of bottom of parent stack -}; - -void __stdcall init_child_info (DWORD, child_info *, int, HANDLE); - -extern child_info_fork *child_proc_info; - -/* Process info for this process */ -extern pinfo *myself; - /* non-NULL if this process is a child of a cygwin process */ extern HANDLE parent_alive; @@ -499,8 +317,6 @@ class shared_info DWORD inited; public: - pinfo_list p; - /* FIXME: Doesn't work if more than one user on system. */ mount_info mount; |