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ash: tweak comments, no code changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2023-07-10 12:02:34 +02:00
parent ae351311da
commit a9047e0980
1 changed files with 7 additions and 6 deletions
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13
shell/ash.c
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@ -425,9 +425,10 @@ struct globals_misc {
struct jmploc *exception_handler; struct jmploc *exception_handler;
/*volatile*/ int suppress_int; /* counter */ /*volatile*/ int suppress_int; /* counter */
/* ^^^^^^^ removed "volatile" since gcc would turn suppress_int++ into ridiculouls /* ^^^^^^^ removed "volatile" since on x86, gcc turns suppress_int++
* 3-insn sequence otherwise. * into ridiculous 3-insn sequence otherwise.
* We don't change suppress_int asyncronously (in a signal handler), but we do read it async. * We don't change suppress_int asyncronously (in a signal handler),
* but we do read it async.
*/ */
volatile /*sig_atomic_t*/ smallint pending_int; /* 1 = got SIGINT */ volatile /*sig_atomic_t*/ smallint pending_int; /* 1 = got SIGINT */
volatile /*sig_atomic_t*/ smallint got_sigchld; /* 1 = got SIGCHLD */ volatile /*sig_atomic_t*/ smallint got_sigchld; /* 1 = got SIGCHLD */
@ -9438,7 +9439,7 @@ evaltree(union node *n, int flags)
} }
if (flags & EV_EXIT) { if (flags & EV_EXIT) {
exexit: exexit:
raise_exception(EXEND); raise_exception(EXEND); /* does not return */
} }
popstackmark(&smark); popstackmark(&smark);
@ -10466,7 +10467,7 @@ evalcommand(union node *cmd, int flags)
/* We have a redirection error. */ /* We have a redirection error. */
if (spclbltin > 0) if (spclbltin > 0)
raise_exception(EXERROR); raise_exception(EXERROR); /* does not return */
goto out; goto out;
} }
@ -14571,7 +14572,7 @@ procargs(char **argv)
optlist[i] = 2; optlist[i] = 2;
if (options(&login_sh)) { if (options(&login_sh)) {
/* it already printed err message */ /* it already printed err message */
raise_exception(EXERROR); raise_exception(EXERROR); /* does not return */
} }
xargv = argptr; xargv = argptr;
xminusc = minusc; xminusc = minusc;