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45066: internal: Document forklevel, locallevel, and exit_pending.

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Daniel Shahaf 2019-12-17 07:44:28 +00:00
parent a370f24137
commit ae7e291873
4 changed files with 17 additions and 2 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2019-12-18 Daniel Shahaf <danielsh@apache.org> 2019-12-18 Daniel Shahaf <danielsh@apache.org>
* 45066: Src/builtin.c, Src/exec.c, Src/params.c: internal:
Document forklevel, locallevel, and exit_pending.
* 45065: Src/Makefile.in: Make 'make -s' print nothing when it * 45065: Src/Makefile.in: Make 'make -s' print nothing when it
does nothing. does nothing.

6
Src/builtin.c
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@ -5601,7 +5601,11 @@ bin_getopts(UNUSED(char *name), char **argv, UNUSED(Options ops), UNUSED(int fun
return 0; return 0;
} }
/* Flag that we should exit the shell as soon as all functions return. */ /* Boolean flag that we should exit the shell as soon as all functions return.
*
* Set by the 'exit' builtin.
*/
/**/ /**/
mod_export int mod_export int
exit_pending; exit_pending;

4
Src/exec.c
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@ -971,6 +971,10 @@ hashcmd(char *arg0, char **pp)
return cn; return cn;
} }
/* The value that 'locallevel' had when we forked. When we get back to this
* level, the current process (which is a subshell) will terminate.
*/
/**/ /**/
int int
forklevel; forklevel;

6
Src/params.c
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@ -44,7 +44,11 @@
#endif #endif
#endif #endif
/* what level of localness we are at */ /* What level of localness we are at.
*
* Hand-wavingly, this is incremented at every function call and decremented
* at every function return. See startparamscope().
*/
/**/ /**/
mod_export int locallevel; mod_export int locallevel;