a9047e098
Denys Vlasenko
2023-07-10
Subject
ash: tweak comments, no code changes
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Commit Diff GitHub →
shell/ash.c+7 -6
| @@ -425,9 +425,10 @@ struct globals_misc { | |
| struct jmploc *exception_handler; | |
| /*volatile*/ int suppress_int; /* counter */ | |
| - | /* ^^^^^^^ removed "volatile" since gcc would turn suppress_int++ into ridiculouls |
| - | * 3-insn sequence otherwise. |
| - | * We don't change suppress_int asyncronously (in a signal handler), but we do read it async. |
| + | /* ^^^^^^^ removed "volatile" since on x86, gcc turns suppress_int++ |
| + | * into ridiculous 3-insn sequence otherwise. |
| + | * 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 got_sigchld; /* 1 = got SIGCHLD */ | |
| @@ -9438,7 +9439,7 @@ evaltree(union node *n, int flags) | |
| } | |
| if (flags & EV_EXIT) { | |
| exexit: | |
| - | raise_exception(EXEND); |
| + | raise_exception(EXEND); /* does not return */ |
| } | |
| popstackmark(&smark); | |
| @@ -10466,7 +10467,7 @@ evalcommand(union node *cmd, int flags) | |
| /* We have a redirection error. */ | |
| if (spclbltin > 0) | |
| - | raise_exception(EXERROR); |
| + | raise_exception(EXERROR); /* does not return */ |
| goto out; | |
| } | |
| @@ -14571,7 +14572,7 @@ procargs(char **argv) | |
| optlist[i] = 2; | |
| if (options(&login_sh)) { | |
| /* it already printed err message */ | |
| - | raise_exception(EXERROR); |
| + | raise_exception(EXERROR); /* does not return */ |
| } | |
| xargv = argptr; | |
| xminusc = minusc; | |