diff options
Diffstat (limited to 'winsup/cygwin/pinfo.h')
| -rw-r--r-- | winsup/cygwin/pinfo.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/winsup/cygwin/pinfo.h b/winsup/cygwin/pinfo.h index b47b59f7f..ed8a4aecf 100644 --- a/winsup/cygwin/pinfo.h +++ b/winsup/cygwin/pinfo.h @@ -224,6 +224,23 @@ cygwin_pid (pid_t pid) void __stdcall pinfo_init (char **, int); extern pinfo myself; +/* Helper class to allow convenient setting and unsetting a process_state + flag in myself. This is used in certain fhandler read/write methods + to set the PID_TTYIN/PID_TTYOU flags in myself->process_state. */ +class push_process_state +{ +private: + int flag; +public: + push_process_state (int add_flag) + { + flag = add_flag; + myself->process_state |= flag; + } + void pop () { myself->process_state &= ~(flag); } + ~push_process_state () { pop (); } +}; + #define _P_VFORK 0 #define _P_SYSTEM 512 /* Add this flag in calls to spawn_guts if the calling function is one of |