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Concurrent rule execution.

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This commit is contained in:
Daniel Jones 2013-03-03 17:50:00 -08:00
parent 115d8425be
commit ee70f46012
6 changed files with 518 additions and 31 deletions
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18
ruleset.go
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@ -8,6 +8,7 @@ import (
"fmt"
"unicode/utf8"
"regexp"
"sync"
)
type attribSet struct {
@ -52,13 +53,14 @@ func (p *pattern) match(target string) []string {
// A single rule.
type rule struct {
targets []pattern // non-empty array of targets
attributes attribSet // rule attributes
prereqs []string // possibly empty prerequesites
shell []string // command used to execute the recipe
recipe string // recipe source
command []string // command attribute
ismeta bool // is this a meta rule
targets []pattern // non-empty array of targets
attributes attribSet // rule attributes
prereqs []string // possibly empty prerequesites
shell []string // command used to execute the recipe
recipe string // recipe source
command []string // command attribute
ismeta bool // is this a meta rule
mutex sync.Mutex // prevent the rule from being executed multiple times
}
@ -122,7 +124,7 @@ func (r *rule) parseAttribs(inputs []string) *attribError {
// Add a rule to the rule set.
func (rs *ruleSet) add(r rule) {
rs.rules = append(rs.rules, r)
rs.rules = append(rs.rules, r)
k := len(rs.rules) - 1
for i := range r.targets {
if r.targets[i].rpat == nil {