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ash: 16-bit ->nprocs field is a pain for many CPUs

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function                                             old     new   delta
getoptscmd                                           527     540     +13
getjob                                               280     286      +6
makejob                                              278     282      +4
forkchild                                            602     600      -2
waitcmd                                              208     205      -3
showjob                                              382     379      -3
getstatus                                             83      80      -3
dowait                                               408     405      -3
freejob                                               93      89      -4
fg_bgcmd                                             290     286      -4
forkshell                                            260     255      -5
killcmd                                              224     218      -6
jobno                                                 17      11      -6
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(add/remove: 0/0 grow/shrink: 3/10 up/down: 23/-39)           Total: -16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-01-11 18:44:15 +01:00
parent ed15dde60a
commit 4c179373e0
1 changed files with 4 additions and 3 deletions
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7
shell/ash.c
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@ -3392,12 +3392,13 @@ struct job {
#if JOBS
int stopstatus; /* status of a stopped job */
#endif
uint32_t
nprocs: 16, /* number of processes */
state: 8,
unsigned nprocs; /* number of processes */
#define JOBRUNNING 0 /* at least one proc running */
#define JOBSTOPPED 1 /* all procs are stopped */
#define JOBDONE 2 /* all procs are completed */
unsigned
state: 8,
#if JOBS
sigint: 1, /* job was killed by SIGINT */
jobctl: 1, /* job running under job control */