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performance improvements for large history lists; fix problem with not unwind-protecting current command and name while executing

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This commit is contained in:
Chet Ramey
2024-02-14 09:43:03 -05:00
parent fbc7d97de6
commit 6bd75b8d63
19 changed files with 4596 additions and 4277 deletions
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execute_cmd.c
+9
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@@ -4706,6 +4706,10 @@ itrace("execute_simple_command: posix mode tempenv assignment error");
}
#endif /* JOB_CONTROL */
/* unwind-protect this since we will call dispose_words on words if we run
the unwind-protects. */
unwind_protect_string (this_command_name);
run_builtin:
/* Remember the name of this command globally. */
this_command_name = words->word->word;
@@ -5286,6 +5290,10 @@ execute_function (SHELL_VAR *var, WORD_LIST *words, int flags, struct fd_bitmap
if (shell_compatibility_level > 43)
loop_level = 0;
/* unwind-protect this because execute_command_internal will overwrite it
with something we will free if unwind-protects are run */
if (subshell == 0)
unwind_protect_pointer (currently_executing_command);
fc = tc;
from_return_trap = 0;
@@ -5324,6 +5332,7 @@ execute_function (SHELL_VAR *var, WORD_LIST *words, int flags, struct fd_bitmap
currently_executing_command = save_current;
}
#else
currently_executing_command = save_current;
result = execute_command_internal (fc, 0, NO_PIPE, NO_PIPE, fds_to_close);
save_current = currently_executing_command;