| /* Output to stdout / stderr for GNU Make |
| Copyright (C) 2013-2024 Free Software Foundation, Inc. |
| This file is part of GNU Make. |
| |
| GNU Make is free software; you can redistribute it and/or modify it under the |
| terms of the GNU General Public License as published by the Free Software |
| Foundation; either version 3 of the License, or (at your option) any later |
| version. |
| |
| GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
| A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along with |
| this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| struct output |
| { |
| int out; |
| int err; |
| unsigned int syncout:1; /* True if we want to synchronize output. */ |
| }; |
| |
| extern struct output *output_context; |
| extern unsigned int stdio_traced; |
| |
| #define FD_STDIN (fileno (stdin)) |
| #define FD_STDOUT (fileno (stdout)) |
| #define FD_STDERR (fileno (stderr)) |
| |
| #define OUTPUT_SET(_new) do{ output_context = (_new)->syncout ? (_new) : NULL; }while(0) |
| #define OUTPUT_UNSET() do{ output_context = NULL; }while(0) |
| |
| #define OUTPUT_TRACED() do{ stdio_traced = 1; }while(0) |
| #define OUTPUT_IS_TRACED() (!!stdio_traced) |
| |
| /* Write a buffer directly to the given file descriptor. |
| This handles errors etc. */ |
| int output_write (int fd, const void *buffer, size_t len); |
| |
| /* Initialize and close a child output structure: if NULL do this program's |
| output (this should only be done once). */ |
| void output_init (struct output *out); |
| void output_close (struct output *out); |
| |
| /* In situations where output may be about to be displayed but we're not |
| sure if we've set it up yet, call this. */ |
| void output_start (void); |
| |
| /* Show a message on stdout or stderr. Will start the output if needed. */ |
| void outputs (int is_err, const char *msg); |
| |
| #if defined(NO_OUTPUT_SYNC) |
| # define output_dump(_o) (void)(0) |
| #else |
| /* Dump any child output content to stdout, and reset it. */ |
| void output_dump (struct output *out); |
| #endif |