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Diffstat (limited to '')
-rw-r--r-- | src/kmk/output.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/kmk/output.h b/src/kmk/output.h new file mode 100644 index 0000000..d34d052 --- /dev/null +++ b/src/kmk/output.h @@ -0,0 +1,107 @@ +/* Output to stdout / stderr for GNU make +Copyright (C) 2013-2016 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 <http://www.gnu.org/licenses/>. */ + +#ifndef INCLUDED_MAKE_OUTPUT_H +#define INCLUDED_MAKE_OUTPUT_H +#include <stdio.h> /* darwin*/ + +#ifdef CONFIG_WITH_OUTPUT_IN_MEMORY +/* Output run. */ +struct output_run +{ + unsigned int seqno; /* For interleaving out/err output. */ + unsigned int len; /* The length of the output. */ + struct output_run *next; /* Pointer to the next run. */ +}; + +/* Output segment. */ +struct output_segment +{ + struct output_segment *next; + size_t size; /* Segment size, everything included. */ + struct output_run runs[1]; +}; + +/* Output memory buffer. */ +struct output_membuf +{ + struct output_run *head_run; + struct output_run *tail_run; /* Always in tail_seg. */ + struct output_segment *head_seg; + struct output_segment *tail_seg; + size_t left; /* Number of bytes that can be appended to + the tail_run. */ + size_t total; /* Total segment allocation size. */ +}; +#endif /* CONFIG_WITH_OUTPUT_IN_MEMORY */ + +struct output + { +#ifdef CONFIG_WITH_OUTPUT_IN_MEMORY + struct output_membuf out; + struct output_membuf err; + unsigned int seqno; /* The current run sequence number. */ +#else + int out; + int err; +#endif + unsigned int syncout:1; /* True if we want to synchronize output. */ +#ifdef KMK + unsigned int dont_truncate:1; /* For die_with_child_output repeat. */ +#endif + }; + +extern struct output *output_context; +extern unsigned int stdio_traced; +#if defined(KMK) && !defined(NO_OUTPUT_SYNC) +extern int output_metered; +#endif + +#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) + +FILE *output_tmpfile (char **, const char *); + +/* 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); +#ifdef CONFIG_WITH_OUTPUT_IN_MEMORY +ssize_t output_write_bin (struct output *out, int is_err, const char *src, size_t len); +#endif +ssize_t output_write_text (struct output *out, int is_err, const char *src, size_t len); + +#ifndef NO_OUTPUT_SYNC +int output_tmpfd (void); +/* Dump any child output content to stdout, and reset it. */ +void output_dump (struct output *out); +# ifdef KMK +void output_reset (struct output *out); +# endif +#endif + +#endif /* INLCUDED_MAKE_OUTPUT_H */ + |