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-rw-r--r--vendor/codeberg.org/gruf/go-runners/process.go81
1 files changed, 0 insertions, 81 deletions
diff --git a/vendor/codeberg.org/gruf/go-runners/process.go b/vendor/codeberg.org/gruf/go-runners/process.go
deleted file mode 100644
index ca39ac0d0..000000000
--- a/vendor/codeberg.org/gruf/go-runners/process.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package runners
-
-import (
- "fmt"
- "sync"
-)
-
-// Processable defines a runnable process with error return
-// that can be passed to a Processor instance for managed running.
-type Processable func() error
-
-// Processor acts similarly to a sync.Once object, except that it is reusable. After
-// the first call to Process(), any further calls before this first has returned will
-// block until the first call has returned, and return the same error. This ensures
-// that only a single instance of it is ever running at any one time.
-type Processor struct {
- mutex sync.Mutex
- wait *sync.WaitGroup
- err *error
-}
-
-// Process will process the given function if first-call, else blocking until
-// the first function has returned, returning the same error result.
-func (p *Processor) Process(proc Processable) (err error) {
- // Acquire state lock.
- p.mutex.Lock()
-
- if p.wait != nil {
- // Already running.
- //
- // Get current ptrs.
- waitPtr := p.wait
- errPtr := p.err
-
- // Free state lock.
- p.mutex.Unlock()
-
- // Wait for finish.
- waitPtr.Wait()
- return *errPtr
- }
-
- // Alloc waiter for new process.
- var wait sync.WaitGroup
-
- // No need to alloc new error as
- // we use the alloc'd named error
- // return required for panic handling.
-
- // Reset ptrs.
- p.wait = &wait
- p.err = &err
-
- // Set started.
- wait.Add(1)
- p.mutex.Unlock()
-
- defer func() {
- if r := recover(); r != nil {
- if err != nil {
- rOld := r // wrap the panic so we don't lose existing returned error
- r = fmt.Errorf("panic occured after error %q: %v", err.Error(), rOld)
- }
-
- // Catch any panics and wrap as error.
- err = fmt.Errorf("caught panic: %v", r)
- }
-
- // Mark done.
- wait.Done()
-
- // Set stopped.
- p.mutex.Lock()
- p.wait = nil
- p.mutex.Unlock()
- }()
-
- // Run process.
- err = proc()
- return
-}